1. Neonatal peritonitis;Fonkalsrud;J Pediatr Surg,1966
2. The etiology of gastrointestinal perforations in the newborn;Lloyd;J Pediatr Surg,1969
3. Appendicitis during the first month of life;Schaupp;Surgery,1960
4. Appendicitis in the newborn;Hardman;Am J Dis Child,1963
5. Perforating appendicitis in premature infants;Firror;Surgery,1964