title: Enhancing effect of excess topical vitamin A on Rous sarcomas in chickens.
mesh_terms: D000818:Animals; D001358:Avian Sarcoma Viruses; D002462:Cell Membrane / Q000187:drug effects; D002471:Cell Transformation, Neoplastic; D002645:Chickens; D005260:Female; D005354:Fibrosarcoma / Q000209:etiology* / Q000382:microbiology / Q000473:pathology; D008297:Male; D009362:Neoplasm Metastasis; D012513:Sarcoma, Experimental / Q000209:etiology* / Q000382:microbiology / Q000473:pathology; D014801:Vitamin A / Q000008:administration & dosage / Q000494:pharmacology*; D014921:Wings, Animal
chemical_list: D014801:Vitamin A