共 12 条
[1]
ALAUDDIN M, 1986, STUD FAMILY PLANN, V7, P13
[2]
BOLLOUGH CHW, 1981, E AFR MED J, V58, P25
[3]
BOSERUP E, 1970, EC DEV AFRICA
[4]
BRADBURY E, 1957, BENIN KINGDOM EDO SP
[5]
BRECH ES, 1969, INT J GYNECOL OBSTET, V7, P263
[6]
HARTFIELD VJ, 1989, INT J GYNECOL OBSTET, V18, P70
[7]
MTIMAVALYE LAR, 1986, FHEPMM85920 WHO
[8]
OKOJIE CG, 1960, ISHAN NATIVE LAWS CU
[9]
Omorodion F I, 1993, Health Transit Rev, V3, P125
[10]
ROSENFIELD A, 1989, JAMA-J AM MED ASSOC, V262, P3