Vitamin B12 levels in whole blood, plasma, and blood cells in transplantable rat leukaemias.
D000818:Animals; D001681:Biological Assay; D002986:Clinical Trials as Topic; D007938:Leukemia / Q000378:metabolism*; D051381:Rats; D014805:Vitamin B 12 / Q000097:blood*
D014805:Vitamin B 12