000 00492nam a2200109Ia 4500
008 241024s9999||||xx |||||||||||||| ||und||
100 _aWORLD HEALTH ORGANISATION
245 0 _aAdvances in methods of fertility regulation:Report of WHO scientific Group
260 _c1973
490 _aWHO, Technical Report Series.575
650 _aDEMOGRAPHY | POPULATION | DEMOGRAPHY | FAMILY PLANNING
999 _c69227
_d69227