TY  - BOOK
AU  - Donner,Allan
AU  - Klar,Neil
TI  - Design and analysis of cluster randomization trials in health research
SN  - 0340691530
PY  - 2000///
CY  - London
PB  - Arnold
KW  - Randomized Controlled Trials
KW  - methods
KW  - Cluster analysis
KW  - Research design
N1  - References : p. 152-173
ER  -