1. Incidence of testicular pathology;Baumrucker;Bull. of U.S. Army Med. Dept.,1946
2. Incidence of malignant growth of the undescended testicle;Campbell;Arch. Surg.,1942
3. The statistical method. A vital tool in clinical medicine;Campbell;Surgery,1941
4. Malignancy In cryptorchidism;Carroll;J. Urol.,1949
5. Operative treatment of the undescended or maldescended testis, with especial reference to end results;Coley;Surg., Gynec. & Obst.,1919