共 51 条
[41]
SARWONO SH, 1997, REDUCING MATERNAL MO
[42]
SPURR GB, 1983, YEARB PHYS ANTHROPOL, P1
[43]
Strauss J, 1998, J ECON LIT, V36, P766
[44]
STRAUSS J, 1995, HDB DEV EC A, V3, P1885
[45]
Sweet B, 1995, Mod Midwife, V5, P8
[47]
Thomson AJ, 1996, AI APPLICATIONS, V10, P1
[48]
*UNICEF, 2000, NETW COMM MIDW IND R
[49]
*UNICEF, 2000, REV 1990 EST MAT MOR
[50]
WAALER HT, 1984, ACTA MED SCAND, P1