Contribution of PDA to RDS.
D004374:Ductus Arteriosus, Patent / Q000150:complications*; D006801:Humans; D007231:Infant, Newborn; D011663:Pulmonary Surfactants / Q000502:physiology; D012127:Respiratory Distress Syndrome, Newborn / Q000209:etiology* / Q000503:physiopathology
D011663:Pulmonary Surfactants