[Vitamin B 12 level in the blood of patients following extensive resection of the small intestine].
D001681:Biological Assay; D001796:Blood Protein Disorders / Q000209:etiology; D006801:Humans; D007415:Intestinal Obstruction / Q000601:surgery; D007421:Intestine, Small / Q000601:surgery*; D013270:Stomach / Q000293:injuries; D014805:Vitamin B 12 / Q000097:blood*; D014806:Vitamin B 12 Deficiency / Q000209:etiology*; D014947:Wounds and Injuries / Q000601:surgery
D014805:Vitamin B 12
Soderzhanie vitamina B12 v krovi bol'nykh posle obshirnykh rezektsiĭ tonkoĭ kishki.