Calcium absorption. Introduction.
D000818:Animals; D002118:Calcium / Q000378:metabolism*; D002136:Calcium, Dietary; D005243:Feces / Q000032:analysis; D007408:Intestinal Absorption; D007422:Intestines / Q000502:physiology; D008297:Male; D051381:Rats
D002136:Calcium, Dietary; D002118:Calcium