title: Determining the time before birth when ischemia and hypoxemia initiated cerebral palsy.
authors.forename: R P
authors.initials: RP
authors.lastname: Perkins
mesh_terms: D000531:Altitude; D002545:Brain Ischemia / Q000150:complications / Q000503:physiopathology*; D002547:Cerebral Palsy / Q000209:etiology / Q000503:physiopathology*; D006801:Humans; D000860:Hypoxia / Q000150:complications / Q000503:physiopathology*; D012107:Research Design; D013997:Time Factors