Nelson, Richard W. (Richard William) 1953- editor. Couto, C. Guillermo editor. text mou St. Louis, Missouri Elsevier 2020 Sixth edition monographic eng xxvi, 1578 pages : color illustrations, charts, photographs. [Edited by] Richard W. Nelson, C. Guillermo Couto. Includes references and index. Small animal Veterinary Animales pequeños Veterinaria Pet medicine Medicina de mascotas 636.0896 9780323570145 clrauoh 240409 20250825175049.0 u5576 eng