Phenobarbitone to prevent periventricular haemorrhage.
D002543:Cerebral Hemorrhage / Q000188:drug therapy*; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000188:drug therapy*; D007273:Injections, Intramuscular; D010634:Phenobarbital / Q000008:administration & dosage*
D010634:Phenobarbital