Calcium and phosphorus balance in elderly men.
D000368:Aged; D002118:Calcium / Q000378:metabolism*; D002136:Calcium, Dietary; D006801:Humans; D010406:Penicillins; D010758:Phosphorus / Q000378:metabolism*; D016226:Phosphorus, Dietary; D014882:Water-Electrolyte Balance
D002136:Calcium, Dietary; D010406:Penicillins; D016226:Phosphorus, Dietary; D010758:Phosphorus; D002118:Calcium
CALCIUM/metabolism; PENICILLIN; PHOSPHORUS/metabolism