共 29 条
[1]
ADEYEMI BA, 2005, TROPICAL J OBSTET GY, V22, P27
[2]
Aimakhu C. O., 2004, Tropical Journal of Obstetrics and Gynaecology, V21, P46
[3]
Ameh N., 2004, Annals of African Medicine, V3, P4
[4]
Campbell J, 1996, J Am Med Womens Assoc (1972), V51, P106
[7]
DONNAY F, 1997, WHO FIGO PREC WORKSH
[10]
Ezechi O C, 2004, J Obstet Gynaecol, V24, P652, DOI 10.1080/01443610400007901