[Effect of vitamins B-1 and B12 on induction of malignant tumors in hamsters].
D000818:Animals; D006397:Hematinics; D006801:Humans; D009374:Neoplasms, Experimental; D013831:Thiamine; D014801:Vitamin A / Q000494:pharmacology*; D014805:Vitamin B 12 / Q000494:pharmacology*; D014815:Vitamins
D006397:Hematinics; D014815:Vitamins; D014801:Vitamin A; D014805:Vitamin B 12; D013831:Thiamine
NEOPLASMS/experimental; VITAMIN A/pharmacology; VITAMIN B 12/pharmacology