title: [Analysis of apnea in 229 cases of very low birth weight infants].
authors.forename: Xiu-jing
authors.initials: XJ
authors.lastname: Wu
authors.forename: Ya-ping
authors.initials: YP
authors.lastname: Xu
authors.forename: Li-ping
authors.initials: LP
authors.lastname: Shi
mesh_terms: D001049:Apnea / Q000453:epidemiology / Q000473:pathology* / Q000628:therapy; D001724:Birth Weight; D002681:China / Q000453:epidemiology; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D019102:Infant, Very Low Birth Weight; D008297:Male; D012307:Risk Factors; D013997:Time Factors