1. The Frequency of Umbilical Herniae in Negro Infants;Jones;Arch. Ped.,1941
2. The Comparative Incidence of Umbilical Hernias in Colored and White Infants;Evans;J. Nat. Med. Assoc.,1941
3. Umbilical Hernia;O'Leary;Am. J. Surg.,1941
4. Umbilical Hernia;Jaffe;Rev. Gastroenterol.,1947