[The incidence of periventricular-intraventricular hemorrhage in preterm infants and its high-risk factors].
Liu
Jing
J
He
Ji-wen
JW
Wang
Qi
Q
Zhao
Jin-hui
JH
Wang
Li-yun
LY
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