1. Urachal abscess complicating Puerperium;Anderson;Neb. Med. J.,1937
2. Urachus, columnar, tumor of, invading the bladder;Begg;Brit. J. Surg.,1936
3. Urachus, cysts of;Cross;J. Urol.,1935
4. Cancer. Two rare cases in a patent urachus;deWaard;J. Urol.,1939
5. Patent urachus with stone formation;Dreyfuss;J. Urol.,1941