Hormonal treatment of cryptorchidism – hCG or GnRH – a multicentre study - Christiansen, P; Müller, J; Buhl, S; Hansen, O R; Hobolth, N; Jacobsen, B B; Jørgensen, P H; Kastrup, K W; Nielsen, K; Nielsen, L B; Pedersen-Bjergaard, L; Petersen, K E; Petersen, S A; Thamdrup, E; Thisted, E; Tranebjærg, L; Skakkebæk, N E (Acta Paediatr, 1992)