title: The undescended testis: changes over the past several decades.
authors.affiliation: Children's Specialists of San Diego, Division of Paediatric Urology, San Diego, CA 92123, USA. gkaplan@chsd.org
authors.forename: G W
authors.initials: GW
authors.lastname: Kaplan
mesh_terms: D006063:Chorionic Gonadotropin / Q000627:therapeutic use; D003456:Cryptorchidism / Q000188:drug therapy / Q000601:surgery*; D006801:Humans; D008297:Male; D010173:Palpation; D011379:Prognosis; D013997:Time Factors; D013520:Urologic Surgical Procedures / Q000379:methods / Q000639:trends*
chemical_list: D006063:Chorionic Gonadotropin