共 47 条
[1]
[Anonymous], 1989, Effective care in pregnancy and childbirth Volume I: Pregnancy
[2]
[Anonymous], 1989, BIRTH-ISS PERINAT C
[3]
[Anonymous], BMJ
[4]
[Anonymous], 2001, SYSTEMATIC REV HLTH, DOI DOI 10.1002/9780470693926
[5]
[Anonymous], SURVEY ROUTINE MATER
[6]
[Anonymous], 1993, Pain and its relief in Childbirth: The Results of a National Survey Conducted by the National Birthday Trust
[7]
[Anonymous], UND SYST REV RES EFF
[8]
[Anonymous], EFFECTIVE CARE PREGN