Fowler's zoo and wild animal medicine [electronic resource] : current therapy / [edited by] R. Eric Miller, DVM, DACZM, DECZM (Hon. ZHM), Director Emeritus, Saint Louis Zoo WildCare Institute, St. Louis, Missouri, USA and Senior Counsel, Zoo Advisors, Havertown, Pennsylvania, USA, Paul P. Calle, VMD, DACZM, DECZM (ZHM), Vice-President of Health Programs, Chief Veterinarian, Bronx Zoo, Wildlife Conservation Society, Bronx, New York, Nadine Lamberski, DVM, DACZM, DECZM (ZHM), Chief Conservation and Wildlife Health Officer, San Diego Zoo Wildlife Alliance, San Diego, California, USA.