title: The serum level of vitamin B 12  in healthy and diseased children.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003036:Cobalt Isotopes / Q000097:blood; D005873:Giardiasis / Q000097:blood; D006128:Growth; D006373:Helminthiasis / Q000097:blood; D006506:Hepatitis A / Q000097:blood; D006801:Humans; D007223:Infant; D011865:Radioisotope Dilution Technique; D014257:Trichuriasis / Q000097:blood; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D003036:Cobalt Isotopes; D014805:Vitamin B 12