TY  - BOOK
AU  - Peat,Jennifer K.
AU  - Barton,Belinda
TI  - Medical statistics: a guide to data analysis and critical appraisal 
SN  - 0727918125
PY  - 2005///
CY  - Oxford
PB  - Blackwell
KW  - Statistics
KW  - methods
KW  - Research design
ER  -