1. Cryptorchidism: an apparent substantial increase since 1960;Group, John Radcliffe Hospital Cryptorchidism Study;Br Med J,1986
2. Apparent doubling of frequency of undescended testis in England and Wales in 1962-81;Chilvers, C.; Pike, M.C.; Foreman, D.; Fogelman, K.; Wadsworth, M.E.;Lancet,1984
3. The descent of the tcstis;Scorer, C.G.;Arch Dis Child,1964
4. The incidence of incomplete descent of the testicle at birth;Scorer, C.G.;Arch Dis Child,1956
5. Undescended testis: the effect of treatment on subsequent risk of subfertility and malignancy;Chilvers, C.; Dudley, N.E.; Gough, M.I.H.; Jackson, M.B.; Pike, M.C.;J Pediatr Surg,1986