TY  - BOOK
AU  - Altman,Douglas G.
TI  - Practical statistics for medical research 
SN  - 0412276305
AV  - R853. .S7 A48 
PY  - 1991///
CY  - London, New York
PB  - Chapman and Hall
KW  - Medicine
UR  - http://www.loc.gov/catdir/enhancements/fy0646/91124890-d.html
ER  -