共 21 条
[1]
Akpala CO, 1998, ORIENT J MED, V10, P19
[2]
CHUKUDEBELU WO, 2003, CONTEMP OBSTET GYNEC, P658
[3]
CHUKWUDEBELU WO, 1995, TROP J OBSTET GYNAEC, V12, P1
[4]
FATUSI A, 2004, MATERNAL MORTALITY S, P1
[5]
Harrison KA, 2001, MATERNITY CARE DEV C, P1
[6]
HARRISON KA, 1990, P INT C SOC GYN OBST, V2, P78
[7]
HASSAN T, 1991, HDB RES METHODS MED, P167
[8]
Katung P Y, 2001, Niger J Med, V10, P28
[9]
MADUNAGU B, 2004, TRAINING CURRICULUM, P1
[10]
NNADI EE, 1984, J TROP MED HYG, V87, P47