00314nam a2200109Ia 450000500170000008000180001724500850003526000240012030000110014458300190015565000300017420260716043006.0  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