Early Cumulative Supplemental Oxygen Predicts Bronchopulmonary Dysplasia in High Risk Extremely Low Gestational Age Newborns.

Wai KC, Kohn MA, Ballard RA, Truog WE, Black DM, Asselin JM, Ballard PL, Rogers EE, Keller RL, Trial of Late Surfactant (TOLSURF) Study Group