Effect of prolonged bed rest on urinary calcium output.
D000293:Adolescent; D000328:Adult; D001842:Bone and Bones / Q000378:metabolism; D002118:Calcium / Q000378:metabolism* / Q000652:urine*; D006112:Gravitation; D006801:Humans; D008297:Male; D009584:Nitrogen / Q000378:metabolism / Q000652:urine; D005082:Physical Exertion; D012146:Rest
D009584:Nitrogen; D002118:Calcium