TY  - BOOK
AU  - Kirkwood, Betty R.
AU  - Sterne, Jonathan A.C.
TI  - Essential medical statistics
SN  - 0865428713
U1  - 519.5 
PY  - 2003///
CY  - Massachusetts
PB  - Blackwell Science
KW  - Medical Statistics
KW  - Medical Sciences
ER  -