title: [Content of free vitamin B 12 in the blood in infectious hepatitis].
mesh_terms: D002779:Cholestasis / Q000097:blood; D006506:Hepatitis A / Q000097:blood*; D006801:Humans; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D014805:Vitamin B 12
vernacular_title: Soderzhanie svobodnogo vitamina B 12 v krovi bol'nykh infektsionnym gepatitom