title: [Trial of chorigon before surgery in children with cryptorchidism].
mesh_terms: D002648:Child; D002675:Child, Preschool; D006063:Chorionic Gonadotropin / Q000627:therapeutic use*; D003456:Cryptorchidism / Q000097:blood / Q000188:drug therapy* / Q000601:surgery; D006801:Humans; D007223:Infant; D008297:Male; D013739:Testosterone / Q000097:blood
chemical_list: D006063:Chorionic Gonadotropin; D013739:Testosterone