1. Treatment of undescended testicle;Browne,1949
2. The retractile testis;Van Essen;Postgrad Med J,1966
3. Testicular size: Assessment and clinical importance;Prader;Triangle,1966
4. A follow-up study of surgically treated cryptorchid patients;Atkinson;J Pediat Surg,1975
5. Family size distribution per 1000 women married once only,1973