Androgen deficiency in the aging male.
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging; D000728:Androgens / Q000008:administration & dosage / Q000009:adverse effects / Q000172:deficiency*; D019411:Clinical Laboratory Techniques; D000075202:Contraindications; D007172:Erectile Dysfunction / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology; D020249:Hormone Replacement Therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D013739:Testosterone / Q000097:blood
D000728:Androgens; D013739:Testosterone