TY  - GEN
AU  - Campbell, Michael, J.
AU  - Machin, David
TI  - Medical statistics
SN  - 9780471987215
U1  - 610.7 
PY  - 1999///
CY  - New York
PB  - John Willey & Sons
KW  - STATISTICS
KW  - BIOCHEMISTRY-METHODS
KW  - RESEARCH DESIGN
KW  - MEDICAL STATISTICS
ER  -