共 30 条
[2]
CHAMBLISS LR, 1992, OBSTET GYNECOL, V80, P161
[4]
CUNNINGHAM F, 1989, WILLIAMS OBSTETRICS, P342
[9]
HOOD DD, 1988, OBSTET GYN CLIN N AM, V15, P639
[10]
CONTINUOUS EMOTIONAL SUPPORT DURING LABOR IN A UNITED-STATES HOSPITAL - A RANDOMIZED CONTROLLED TRIAL
[J].
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION,
1991, 265 (17)
:2197-2201