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Reproductive Health > 2019 > 16 > 1 > 1-11
BMC Pregnancy and Childbirth > 2016 > 16 > 1 > 1-14
Tropical Medicine & International Health > 20 > 3 > 252 - 267
Journal of Advanced Nursing > 69 > 8 > 1850 - 1861
International Journal of Gynecology and Obstetrics > 2007 > 99 > 2 > 127-131
International Journal of Gynecology and Obstetrics > 2005 > 89 > Supplement 1 > S34-S40