title: [Determination of vitamin B12 levels in blood by radioassay (author's transl)].
mesh_terms: D000293:Adolescent; D000328:Adult; D001172:Arthritis, Rheumatoid / Q000097:blood; D005260:Female; D006073:Gout / Q000097:blood; D006801:Humans; D008297:Male; D008875:Middle Aged; D011863:Radioimmunoassay; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D014805:Vitamin B 12