[On the level of free methionine and B 12 of human blood serum].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D006801:Humans; D008715:Methionine / Q000097:blood*; D008875:Middle Aged; D014805:Vitamin B 12 / Q000097:blood*
D008715:Methionine; D014805:Vitamin B 12
Sur la teneur en méthionine libre et en B12 du sérum sanguin humain.