title: [Testosterone - the central pivot of andrology].
authors.affiliation: Klinik für Urologie, Kliniken Maria Hilf GmbH Mönchengladbach, Mönchengladbach. herbert.sperling@mariahilf.de
authors.forename: H
authors.initials: H
authors.lastname: Sperling
mesh_terms: D033441:Andrology; D006801:Humans; D007248:Infertility, Male; D008297:Male; D013739:Testosterone
chemical_list: D013739:Testosterone