[Analysis of apnea in 229 cases of very low birth weight infants].
Wu
Xiu-jing
XJ
Xu
Ya-ping
YP
Shi
Li-ping
LP
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