[Case of vitamin D dependency--study of intestinal absorption of Ca using 47-Ca].
D002118:Calcium / Q000378:metabolism*; D002127:Calcium Isotopes; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007408:Intestinal Absorption; D014807:Vitamin D / Q000627:therapeutic use; D014808:Vitamin D Deficiency / Q000175:diagnosis / Q000188:drug therapy / Q000378:metabolism*
D002127:Calcium Isotopes; D014807:Vitamin D; D002118:Calcium