共 30 条
[3]
Akhter S, 2003, MEDGENMED, V5, P1
[4]
[Anonymous], 2012, Trends in maternal mortality: 1990 to 2010
[5]
[Anonymous], 2000, COCHRANE DB SYST REV, DOI 10.1002/14651858.CD000007
[6]
Bagga Rashmi, 2007, Indian J Med Sci, V61, P157
[8]
Bakri YN, INTRAUTERINE BALLOON
[10]
Burke TF, 2013, ANN EMERG MED, V62, pS101