title: Re: A validated age-related normative model for male total testosterone shows increasing variance but no decline after age 40 years.
authors.forename: Allen D
authors.initials: AD
authors.lastname: Seftel
mesh_terms: D006801:Humans; D008297:Male; D008962:Models, Theoretical; D013739:Testosterone / Q000032:analysis*
chemical_list: D013739:Testosterone