000 00420nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aBarnum H
245 _aInteraction of infant mortality & fertility & the effectiveness of health & family planning programs
260 _c0
_bWorld Bank
_aWashington DC
366 _b0
541 _gGratis
650 _aHEALTH
942 _cBK
999 _c71478
_d71478