title: Editorial comment.
authors.forename: Jun Hyuk
authors.initials: JH
authors.lastname: Hong
mesh_terms: D006801:Humans; D007610:Kallikreins / Q000097:blood*; D008297:Male; D017430:Prostate-Specific Antigen / Q000097:blood*; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone; C549870:KLK3 protein, human; D007610:Kallikreins; D017430:Prostate-Specific Antigen