Antecedents of Bronchopulmonary Dysplasia
To identify risk factors for bronchopulmonary dysplasia/chronic pulmonary disease of prematurity and to estimate proportions of this group of disorders attributable to antenatal risk factors, perinatal events, and neonatal care procedures.
|Study Design:||Observational Model: Natural History|
|Study Start Date:||December 1988|
|Estimated Study Completion Date:||November 1990|