title: Defining the prevalence and incidence of androgen deficiency in aging men: where are the goal posts?
authors.forename: Robert I
authors.initials: RI
authors.lastname: McLachlan
authors.forename: Carolyn A
authors.initials: CA
authors.lastname: Allan
mesh_terms: D000375:Aging / Q000378:metabolism*; D000728:Androgens / Q000172:deficiency*; D006801:Humans; D015994:Incidence; D008297:Male; D008404:Massachusetts / Q000453:epidemiology; D008659:Metabolic Diseases / Q000453:epidemiology; D015995:Prevalence
chemical_list: D000728:Androgens