At Penn Vet, we think differently about veterinary medicine.

In addition to providing sophisticated medical treatments for animals of every size and kind, we believe veterinarians play an integral part in ensuring public health and food safety at both local and global levels, recognizing and controlling foreign and newly emerging diseases of livestock and poultry, including diseases transmissible from animals to people.

Our mission comprises teaching, healing, and scientific investigation. We believe that as veterinarians, we not only practice medicine and conduct groundbreaking research to advance all medicine, we teach the next generation to do the same.

We believe future veterinarians should serve as the frontline, guarding against bio- and agro-terrorism and working to protect the environment, all the while advancing the forefront of biomedical research. At Penn Vet, we lead the way for veterinarians of tomorrow.

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Papers from 2004

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Tracheal Signs and Associated Vascular Anomalies in Dogs With Persistent Right Aortic Arch, James W. Buchanan

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Cloning of the Canine ABCA4 Gene and Evaluation in Canine Cone-Rod Dystrophies and Progressive Retinal Atrophies, James K. Kijas, Barbara Zangerl, Brian Miller, Jacque Nelson, Ewen F. Kirkness, Gustavo D. Aguirre, and Gregory M. Acland

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A Naturally Occurring Mutation of the Opsin Gene (T4R) in Dogs Affects Glycosylation and Stability of the G Protein-Coupled Receptor, Li Zhu, Geeng-Fu Jang, Beata Jastrzebska, Slawomir Filipek, Susan E. Pearce-Kelling, Gustavo D. Aguirre, Ronald E. Stenkamp, Gregory M. Acland, and Krzysztof Palczewski

Papers from 2003

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First Pacemaker in a Dog: A Historical Note, James W. Buchanan

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Etiology of Patent Ductus Arteriosus in Dogs, James W. Buchanan and Donald F. Patterson

Papers from 2002

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Cloning and Characterization of the Canine Photoreceptor Specific Cone-Rod Homeobox (CRX) Gene and Evaluation as a Candidate for Early Onset Photoreceptor Diseases in the Dog, Novrouz B. Akhmedov, Victoria J. Baldwin, Barbara Zangerl, James W. Kijas, Linda Hunter, Katayoun D. Minoofar, Cathryn Mellersh, Elaine A. Ostrander, Gregory M. Acland, Debora B. Farber, and Gustavo D. Aguirre

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Cloning and Characterization of the Canine Photoreceptor Specific Cone-Rod Homeobox (CRX) Gene and Evaluation as a Candidate for Early Onset Photoreceptor Diseases in the Dog, Novrouz B. Akhmedov, Victoria Baldwin, Barbara Zangerl, James K. Kijas, Linda S. Hunter, Katayoun D. Minoofar, Cathryn Mellersh, Elaine A. Ostrander, Gregory M. Acland, Debora B. Farber, and Gustavo D. Aguirre

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The 1st Balloon Valvuloplasty: An Historical Note, James W. Buchanan, James H. Anderson, and Robert I. White

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Therapeutic Neonatal Hepatic Gene Therapy in Mucopolysaccharidosis VII Dogs, Katherine Parker Ponder, John R. Melniczek, Lingfei Xu, Margaret A. Weil, Thomas M. O'Malley, Patricia A. O'Donnell, Van W. Knox, Gustavo D. Aguirre, Hamutal Mazrier, N Matthew Ellinwood, Margaret M. Sleeper, Albert M. Maguire, Susan W. Volk, Robert L. Mango, Jean Zweigle, John H. Wolfe, and Mark E. Haskins

Papers from 2001

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Décollement Rétinien Associé à une Cataracte Unilatérale [Retinal Detachments Associated with Unilateral Cataracts], William Beltran and Jean-Pierre Jégou

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Pathogenesis of Single Right Coronary Artery and Pulmonic Stenosis in English Bulldogs, James W. Buchanan

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An Assessment of Ammonia Emissions from Dairy Facilities in Pennsylvania, James D. Ferguson, Zhengxia Dou, and Charles F. Ramberg

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Calcium Channel Blocker D-cis-Diltiazem Does Not Slow Retinal Degeneration in the PDE6B Mutant rcd1 Canine Model of Retinitis Pigmentosa, Susan E. Pearce-Kelling, Tomas S. Aleman, Amanda Nickle, Alan M. Laties, Gustavo D. Aguirre, Samuel G. Jacobson, and Gregory M. Acland

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Posterior Segment Approach for Subretinal Transplantation or Injection in the Canine Model, Maria E. Verdugo, Julie Alling, Eliot Lazar, Manuel del Cerro, Jharna Ray, and Gustavo D. Aguirre

Papers from 2000

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Complication d'Implantation d'une Prothèse Intra-Oculaire par Prolifération d'un Adénocarcinome Iridociliaire chez un Chien [Complication of Implantation of Intraocular Prosthesis by Proliferation of an Iridociliary Adenocarcinoma in a Dog], William Beltran, Sabine Chahory, and Bernard Clerc

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Loss of Cone Molecular Markers in Rhodopsin-Mutant Human Retinas with Retinitis Pigmentosa, Sinoj K. John, Julie E. Smith, Gustavo D. Aguirre, and Ann H. Milam

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Hyphema. Part II. Diagnosis and Treatment, András M. Komáromy, David T. Ramsey, Dennis E. Brooks, Cynthia C. Ramsey, Maria E. Kallberg, and Stacy E. Andrew

Papers from 1999

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Familial Dilated Cardiomyopathy of Young Portuguese Water Dogs, Donna M. Dambach, Anne Lannon, Meg M. Sleeper, and James W. Buchanan

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Hyphema. Part I. Pathophysiologic Considerations, András M. Komáromy, David T. Ramsey, Dennis E. Brooks, Cynthia C. Ramsey, Maria E. Kallberg, and Stacy E. Andrew

Papers from 1998

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Congenital Stationary Night Blindness in the Dog: Common Mutation in the RPE65 Gene Indicates Founder Effect, Gustavo D. Aguirre, Victoria Baldwin, Sue Pearce-Kelling, Kristina Narfström, Kunal Ray, and Gregory M. Acland

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Diseases of the Retinal Pigment Epithelium-Photoreceptor Complex in Nonrodent Animal Models, Gustavo D. Aguirre, Jharna Ray, and Lawrence E. Stramm

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Left Atrial Paraganglioma in a Dog: Echocardiography, Surgery, and Scintigraphy, James W. Buchanan, Lynne S. Boggs, Stephan Dewan, Joan Regan, and Nathaniel C. Myers

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Electroretinography in Dogs and Cats. Part II. Technique, Interpretation, and Indications, András M. Komáromy, Patricia J. Smith, and Dennis E. Brooks

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Electroretinography in Dogs and Cats. Part I. Retinal Morphology and Physiology, András M. Komáromy, Patricia J. Smith, and Dennis E. Brooks

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First International Feline Genetic Disease Conference, University of Pennsylvania

Papers from 1997

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Primary Adenocarcinoma of the Gland of the Nictitating Membrane in a Cat, András M. Komáromy, David T. Ramsey, James A. Render, and Phillip Clark

Papers from 1996

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Cloning and Characterization of the cDNA Encoding the α-Subunit of cGMP-Phosphodiesterase in Canine Retinal Rod Photoreceptor Cells, Weiquan Wang, Gregory M. Acland, Gustavo D. Aguirre, and Kunal Ray

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Cloning and Characterization of the cDNA Encoding the α-Subunit of cGMP-Phosphodiesterase in Canine Retinal Rod Photoreceptor Cells, Weiquan Wang, Gregory M. Acland, Gustavo D. Aguirre, and Kunal Ray

Papers from 1995

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Electroretinography - Are We Misusing an Excellent Diagnostic Tool?, Gustavo D. Aguirre

Papers from 1994

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Blindness Due to Polymicrogyria and Asymmetrical Dilation of the Lateral Ventricles in Standard Poodles, Thomas J. Van Winkle, John C. Fyfe, Betsy Dayrell-Hart, Gustavo D. Aguirre, Gregory M. Acland, and Donald F. Patterson

Papers from 1993

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Changing Breed Predispositions in Canine Heart Disease, James W. Buchanan

Papers from 1991

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Animal Model of Human Disease: Mucopolysaccharidosis Type VII (Sly Syndrome). Beta-Glucuronidase-Deficient Mucopolysaccharidosis in the Dog, Mark E. Haskins, Gustavo D. Aguirre, Peter F. Jezyk, Edward H. Schuchman, Robert J. Desnick, and Donald F. Patterson

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Photoreceptor Dysplasia: An Inherited Progressive Retinal Atrophy of Miniature Schnauzer Dogs, Charles J. Parshall, Milton Wyman, Susan Nitroy, Gregory M. Acland, and Gustavo D. Aguirre

Papers from 1990

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Infection and Twiddler Syndrome in a Dog With Addison's Disease, Complete Heart Block, and Wandering Artificial Pacemakers, James W. Buchanan and Richard C. Hill

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Echocardiography and Surgery in a Dog With Left Atrial Rupture and Hemopericardium, Kenneth K. Sadanaga, Malcolm J. MacDonald, and James W. Buchanan

Papers from 1989

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A Case of Pulmonic Stenosis With Single Coronary Artery in a Dog, James W. Buchanan, Takeo Minami, Yoshito Wakao, Makoto Muto, Toshifumi Watanabe, Tatsuo Suzuki, and Mitsugi Takahashi

Papers from 1985

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Morphological Observations of Mineralizing Pericardium Cardiac Grafts, P. Frasca, James W. Buchanan, R. Z. Soriano, J. M. Dunn, L. Marmon, J. Melbin, Sarah A. Buchanan, E. E. Golub, and I. M. Shapiro

Papers from 1984

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Sudden Acquired Retinal Degeneration in the Dog: Clinical and Morphologic Characterization of the "Silent Retina" Syndrome, Gregory M. Acland, Nita L. Irby, Gustavo D. Aguirre, Stephen L. Gross, Susan F. Nitroy, and Kathleen L. Notarfrancesco

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Melanoma of the Choroid in a Dog, Gustavo D. Aguirre, Gary Brown, Jerry A. Shields, and Richard R. Dubielzig

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Mineralization of Short Term Pericardial Cardiac Patch Grafts, P. Frasca, James W. Buchanan, R. Z. Soriano, J. M. Dunn, L. Marmon, J. Melbin, Sarah A. Buchanan, S. H. Chang, E. E. Golub, and I. M. Shapiro

Papers from 1983

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The Pathology of the Feline Model of Mucopolysaccharidosis I, Mark E. Haskins, Gustavo D. Aguirre, Peter F. Jezyk, Robert J. Desnick, and Donald F. Patterson

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The Briard Problem, Ronald C. Riis and Gustavo D. Aguirre

Papers from 1980

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Criteria for Development of Animal Models of Diseases of the Eye, Gustavo D. Aguirre

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Ocular Manifestations of Selected Systemic Diseases, Gustavo D. Aguirre and Stephen L. Gross

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The Pathology of the Feline Model of Mucopolysaccharidosis VI, Mark E. Haskins, Gustavo D. Aguirre, Peter F. Jezyk, and Donald F. Patterson

Papers from 1979

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Involvement of Cyclic GMP Phosphodiesterase Activator in an Hereditary Retinal Degeneration, Gregory M. Acland

Papers from 1976

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Diseases of the Guttural Pouch, Charles W. Raker

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Diseases of the Pharynx, Charles W. Raker

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Diseases of the Pharynx, Charles W. Raker

Papers from 1975

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Viral-Antibody Complexes in Canine Adenovirus Type I (CAV-1) Ocular Lesion: Leukocyte Chemotaxis and Enzyme Release, Leland E. Carmichael, B. L. Medic, Stephen I. Bistner, and Gustavo D. Aguirre

Papers from 1973

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Electroretinography in Veterinary Ophthalmology, Gustavo D. Aguirre

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Posterior Lenticonus in the Dog, Gustavo D. Aguirre and Stephen I. Bistner

Papers from 1971

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An Electrophysiologic Approach for Early Diagnosis of Progressive Retinal Atrophy in the Norwegian Elkhound, Gustavo D. Aguirre and Lionel F. Rubin

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Congenital Lateral Luxation of the Patella in the Horse, James R. Rooney, Charles W. Raker, and K. J. Harmany

Papers from 1968

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Clinical Observations of Bone and Joint Diseases in Horses, Charles W. Raker

Papers from 1967

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Chronic Valve Disease and Left Atrial Splitting in the Dog [Dissertation], James W. Buchanan

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Patent Ductus Arteriosus Surgery in Dogs Weighing 490 to 3200 Grams, James W. Buchanan, Donald F. Patterson, and Lawrence R. Soma

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Experimental Studies on Ectopic Atrial Rhythms in Dogs, E. Neil Moore, Serge L. Jomain, Jackson H. Stuckey, James W. Buchanan, and Brian F. Hoffman

Papers from 1966

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Surgical Treatment of Congenital Cardiovascular Diseases, James W. Buchanan

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Aortic Embolism in Cats: Prevalence, Surgical Treatment and Electrocardiography, James W. Buchanan, Gordan J. Baker, and John D. Hill

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Cardiac Tamponade During Catheterization of a Dog with Congenital Heart Disease, James W. Buchanan and R. L. Pyle

Papers from 1965

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Spontaneous Arrhythmias and Conduction Disturbances in Domestic Animals, James W. Buchanan

Papers from 1964

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Endocardial Splitting of the Left Atrium in Dogs with Hemorrhage and Hemopericardium, James W. Buchanan and Alan M. Kelly

Papers from 1963

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Persistent Left Cranial Vena Cava in Dogs: Angiocardiography, Significance, and Coexisting Anomalies, James W. Buchanan

Papers from 1961

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Clinico-Pathologic Conference: Pulmonic Stenosis and Patent Foramen Ovale in a Dog, James W. Buchanan, David K. Detweiler, and Klaus Hubben

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Clinico-Pathologic Conference: Chronic Nephritis in a Bull, Robert Marshak, James W. Buchanan, and R. M. Sauer