00285nam a2200097Ia 4500080001800000245008500018260002400103300001100127583001900138650003000157  a15.04.04 S493  aLearning from doing : experiences of maternal and child health services research  bWHOaGenevaCHc1981  a129 p.  c3/7/00kM2LMGR  aMATERNAL AND CHILD HEALTH