[Effect of antibiotics on the vitamin B12 metabolism in rats].
D000818:Animals; D001835:Body Weight / Q000187:drug effects; D002701:Chloramphenicol / Q000494:pharmacology*; D003036:Cobalt Isotopes; D008297:Male; D010402:Penicillin G Procaine / Q000494:pharmacology*; D051381:Rats; D013307:Streptomycin / Q000494:pharmacology*; D014805:Vitamin B 12 / Q000378:metabolism*
D003036:Cobalt Isotopes; D010402:Penicillin G Procaine; D002701:Chloramphenicol; D014805:Vitamin B 12; D013307:Streptomycin