title: 'Andropause'--are reduced androgen levels in aging men physiologically important?
authors.forename: A M
authors.initials: AM
authors.lastname: Matsumoto
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging / Q000502:physiology*; D000728:Androgens / Q000097:blood* / Q000172:deficiency / Q000627:therapeutic use; D006801:Humans; D007989:Libido / Q000502:physiology; D008297:Male; D010410:Penile Erection / Q000502:physiology; D011788:Quality of Life; D012107:Research Design; D012307:Risk Factors; D013737:Testis / Q000502:physiology; D013739:Testosterone / Q000097:blood / Q000172:deficiency / Q000627:therapeutic use
chemical_list: D000728:Androgens; D013739:Testosterone