TY  - GEN
AU  - Campbell , Michael J.
AU  - Walters , Stephen J.
TI  - How to design, analyse and report cluster randomised trials in medicine and related research
SN  - 9781119992028
U1  - 610.72 
PY  - 2014///
CY  - West Sussex
PB  - John Wiley
KW  - Research Design
KW  - Research Analyse
KW  - Cluster Randomised Trials
UR  - www.wiley.com
ER  -