title: Male sex matters.
authors.affiliation: Division of Endocrinology, Harbor-UCLA Medical Center, Los Angeles Biomedical Research Institute, Los Angeles, CA 90502, USA.
authors.forename: Peter Y
authors.initials: PY
authors.lastname: Liu
authors.forename: Christina
authors.initials: C
authors.lastname: Wang
authors.forename: Ronald S
authors.initials: RS
authors.lastname: Swerdloff
mesh_terms: D000375:Aging / Q000502:physiology; D007172:Erectile Dysfunction / Q000188:drug therapy*; D006801:Humans; D007989:Libido; D008297:Male; D016032:Randomized Controlled Trials as Topic; D013739:Testosterone / Q000502:physiology* / Q000627:therapeutic use
chemical_list: D013739:Testosterone