[Smallpox in chimpanzees under natural conditions].
D000818:Animals; D003223:Congo; D008992:Monkey Diseases / Q000453:epidemiology*; D002679:Pan troglodytes; D012899:Smallpox / Q000453:epidemiology / Q000662:veterinary*
Ospa u shimpanze v estestvennykh usloviiakh.