共 31 条
[1]
BORREL V, 1957, ACTA OBSTET GYNECOL, V36, P42
[2]
CALDEYROBARCIA R, 1960, AM J OBSTET GYNECOL, V80, P284
[3]
CARLSON JM, 1986, OBSTET GYNECOL, V68, P443
[4]
CLARKE AP, 1891, JAMA-J AM MED ASSOC, V16, P433
[5]
DIAZ AG, 1976, SEPARATA REV SOC OBS, V759, P267
[7]
DUNN PM, 1976, LANCET, V1, P790
[8]
Engelmann GJ, 1882, LABOUR PRIMITIVE PEO
[10]
GOLD EM, 1950, AM J OBSTET GYNECOL, V59, P890