[Some problems of collagenosis in fattened bulls].
D000818:Animals; D002369:Castration; D002417:Cattle; D002418:Cattle Diseases / Q000601:surgery; D003095:Collagen Diseases / Q000601:surgery / Q000662:veterinary*; D008297:Male
Nekotorye voprosy kollagenoza u otkormochnykh bychkov