PhilipAGS. Neonatology: A practical guide. Flushing NY: Medical Examination Publishing Co Inc, 1977:106–107.
6.
ClohertyJP, StarkAR. Manual of neonatal care. Boston: Little, Brown & Co, 1980:150–153.
7.
AdcockJA, LyonsRH, BarnwellJB. The circulatory effects produced in a patient with pneumopericardium by artificially varying the intrapericardial pressure. Am Heart J1940;19:283–291.
8.
MauerER, MendezFL, FinklesteinJ, LewisR.Cardiovascular dynamics in pneumopericardium and hydropericardium. Angiology1958;9:176–179.
9.
PomeranceJJ, WellerMH, RichardsonCJ, SouleJA, CatoA.Pneumopericardium complicating respiratory distress syndrome: Role of conservative management. J Pediatr1974;84:883–886.