共 8 条
[2]
BEHRMAN RE, 1977, NEONATAL PERINATAL M, P719
[3]
BOX GEP, 1966, JR STAT SOC B, V26, P11
[5]
GUTBERLET RL, 1976, PEDIATRICS, V58, P10
[6]
HECK LJ, 1983, PEDIATR RES, V17, pA317
[8]
LUBCHENCO LO, 1963, PEDIATRICS, V32, P793