1. Allan WC, Roveto CA, Sawyer LR, Courtney SE . Sector scan ultrasound imaging through the anterior fontanelle. Its use in diagnosing neonatal periventricular–intraventricular hemorrhage Am J Dis Child 1980 134: 1028–31
2. Dela Cruz TV, Stewart DL, Winston SJ, Weatherman KS, Phelps JL, Mendoza JC . Risk factors for intracranial hemorrhage in the extracorporeal membrane oxygenation patient J Perinatol 1997 17: 18–23
3. Papile LA, Burstein J, Burstein R, Koffler H . Incidence and evolution of subependymal and intraventricular hemorrhage: a study of infants with birth weights less than 1500 grams J Pediatr 1978 92: 529–34
4. Graziani LJ, Spitzer AR, Mitchell DG et al. Mechanical ventilation in preterm infants: neurosonographic and developmental studies Pediatrics 1992 90: 515–22
5. Wiswell TE, Graziani LJ, Kornhauser MS et al. Effects of hypocarbia in the development of cystic periventricular leukomalacia among premature infants treated with high frequency ventilation Pediatrics 1996 98: 918–24