TY  - BOOK
AU  - Bland, Martin.
TI  - An introduction to medical statistics
SN  - 192615025
AV  - RA 409 .B55 1987 
PY  - 1987///
CY  - [Place of publication not identifed]
PB  - [publisher not identified]
N1  - An introduction to medical statistics, An
ER  -