Demonstration of Helicobacter pylori-like organisms in the gastric mucosa of captive exotic carnivores

animal de zoo carnivora chemistry chimie cougars couguar estomac felidae helicobacter helicobacter pylori histopathologie histopathology histopatologia hyaenidae hyenas immunohistochemistry immunologie immunology leopard leopardo leopards lion lions lobo loup membrana mucosa mucous membrane muqueuse puma spirillaceae stomach tigers tigre wolves zoo animals