title: [The incidence of periventricular-intraventricular hemorrhage in preterm infants and its high-risk factors].
authors.forename: Jing
authors.initials: J
authors.lastname: Liu
authors.forename: Ji-wen
authors.initials: JW
authors.lastname: He
authors.forename: Qi
authors.initials: Q
authors.lastname: Wang
authors.forename: Jin-hui
authors.initials: JH
authors.lastname: Zhao
authors.forename: Li-yun
authors.initials: LY
authors.lastname: Wang
mesh_terms: D001724:Birth Weight; D002543:Cerebral Hemorrhage / Q000453:epidemiology*; D005260:Female; D005865:Gestational Age; D006801:Humans; D015994:Incidence; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000453:epidemiology*; D008297:Male; D012307:Risk Factors