28417

4375866

Campbell

How to Design, Analyse and Report Cluster Randomised Trials in Medicine and Health Related Research

Wiley

2014

1118763599 ; 1118763599 ; 1119992028 ; 1119992028 ; 1118763459 ; 1118763459 ; 9781119992028 ; 9781119992028 ; 9781118763599 ; 9781118763599 ; 9781118763452 ; 9781118763452