Letter: Anesthesia in preterm infants.
D000768:Anesthesia, General; D003472:Curare / Q000008:administration & dosage; D004374:Ductus Arteriosus, Patent / Q000601:surgery*; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D009020:Morphine / Q000008:administration & dosage; D010100:Oxygen / Q000008:administration & dosage
D009020:Morphine; D003472:Curare; D010100:Oxygen