1. Pneumoperitoneum in ventilated newborns;Leonidas, J.C.; Hall, R.T.; Rhodes, P.G.; Amoury, R.A.;Am J Dis Child,1974
2. Gastrointestinal perforation without intraperitoneal air-fluid level in neonatal pneumoperitoneum;Kaufman, R.A.; Kuhns, L.R.; Poznanski, A.K.;AJR,1976
3. Pneumoperitoneum in the newborn;Ensing, G.; Koppe, J.G.; van Putten, W.J.;J Pediatr Surg,1974
4. Ventilator-induced pneumoperitoneum-a rapid diagnosis;Chang, J.H.T.; Hernandez, J.;Pediatrics,1980
5. Pulmonary physiology and the child;Burgess, W.R.; Chernick, V.,1986