TY  - GEN
AU  - Der, Geoff 
AU  - Everitt, Brian.S
TI  - Applied medical statistics using SAS
SN  - 9781439867976
PY  - 2013///
CY  - Boca Raton
PB  - CRC Press
KW  - Medical Statics
KW  - Statistical analysis system - SAS
ER  -