Renal excretion of drugs in the elderly.
D000328:Adult; D000368:Aged; D000375:Aging; D003404:Creatinine / Q000097:blood / Q000652:urine; D005260:Female; D006801:Humans; D007668:Kidney / Q000502:physiology*; D008297:Male; D010406:Penicillins / Q000097:blood; D004364:Pharmaceutical Preparations / Q000378:metabolism*
D010406:Penicillins; D004364:Pharmaceutical Preparations; D003404:Creatinine