共 14 条
- [1] *FED MIN HLTH, 2001, NAT REPR HLTH POL ST, P4
- [2] *FED MIN HLTH, 2003, CONS HLTH SECT REF N, P5
- [3] *FED MIN HLTH, 2003, NAT STUD ESS OBST CA, P20
- [4] *FED MIN HLTH, 2006, REPR HLTH SIT NIG, P1
- [5] *FED OFF STAT, 2000, MULT IND CLUST SURV, P16
- [6] Fortney JA, 2001, INT J GYNECOL OBSTET, V74, P95
- [8] Orji E O, 2002, J Obstet Gynaecol, V22, P385, DOI 10.1080/01443610220141326
- [9] *POP REF BUR, 2002, MEAS COMM POL BRIEF, P6
- [10] *SAF MOTH INT GROU, 2000, ENS SKILL CAR DUR CH, P1