title: Undescended testis.
authors.affiliation: Children's National Medical Center Washington, DC, USA.
authors.forename: P
authors.initials: P
authors.lastname: Callaghan
mesh_terms: D003456:Cryptorchidism / Q000150:complications / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D007248:Infertility, Male / Q000209:etiology; D008297:Male; D013736:Testicular Neoplasms / Q000209:etiology