共 29 条
[1]
BERGQVIST UO, 1984, SCAND J WORK ENV HEA, V10, P1
[2]
BRENT RL, 1979, CONTR EPIDEMIOL BIOS, V1, P147
[3]
DELGADO JMR, 1982, J ANAT, V134, P533
[6]
FRANKENHAEUSER M, 1976, SOC STRESS DISEASE, V4, P82
[7]
GRETHER JK, 1985, J PERINATOL, V5, P8
[8]
Harlap S, 1980, HUMAN EMBRYONIC FETA, P145
[9]
HATTERY LH, 1986, INFORMATION RETRIEVA, V22, P1
[10]
KLINE J, 1984, PERINATAL EPIDEMIOLO, P23