00346nam a22001337a 4500020001500000082001600015100002100031245003800052250001200090260005300102300001100155654002500166700002100191  a8174733353  a001.42bIND  aIndrayan, Abhaya  aBasic methods of medical research  a1st ed.  aNew DelhibAITBS Publishers & Distributorsc2006  a376 p.  aResearch Methodology  aIndrayan, Abhaya