共 31 条
[1]
BJERKEDAL T, 1978, YRKE OG FODSEL, P1
[2]
CARR DH, 1977, HDB TERATOLOGY, V3, P189
[3]
CORBETT TH, 1974, ANESTHESIOLOGY, V41, P341
[5]
FABIA J, 1974, BRIT J PREV SOC MED, V28, P98
[8]
HAKULINEN T, 1976, BRIT J PREV SOC MED, V30, P138