title: STUDIES ON ADAPTATION OF ROUS SARCOMA VIRUS TO DUCKS.
mesh_terms: D000220:Adaptation, Biological; D000222:Adaptation, Physiological; D000818:Animals; D001358:Avian Sarcoma Viruses; D003348:Cortisone; D006224:Cricetinae; D004372:Ducks; D008460:Meat; D009369:Neoplasms / Q000276:immunology*; D010600:Pharmacology; D011200:Poultry; D012106:Research; D052736:Rous sarcoma virus
chemical_list: D003348:Cortisone
keywords: ADAPTATION, BIOLOGICAL; CORTISONE; EXPERIMENTAL LAB STUDY; HAMSTERS; NEOPLASM IMMUNOLOGY; PHARMACOLOGY; POULTRY; ROUS SARCOMA VIRUS