围产儿死亡
perinatal mortality
perinatal death
perinatal infants dead rate
prenatal mortality
围生儿
fetus
Perinatal baby
birth defects
parity
Perinatal infant
Perinatal infants
perineonates
neonate
perinatal neonate
perinatal
Perinate
perinatal birth
perinatals
Perinatal children
morbidity
Fetus and infants of perinatal
perineonate
围生儿死亡
perinatal death
perinatal mortality
Death of perinatal period
Perinalal mortality
Malmquist生产率指数
Malmquist productivity index
Malmquist index
Malmqust生产率指数
Malmqust productivitg index