Calcium requirement and its intake of the elderly in Japan: an attempt to improve its intake.
D000368:Aged; D000818:Animals; D001842:Bone and Bones / Q000033:anatomy & histology; D002118:Calcium / Q000008:administration & dosage* / Q000502:physiology; D004032:Diet; D004044:Dietary Proteins / Q000008:administration & dosage; D002149:Energy Intake; D005260:Female; D006266:Health Education; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D008892:Milk; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements
D004044:Dietary Proteins; D002118:Calcium