TY  - BOOK
AU  - Altman, D.G.
TI  - Practical statistics for medical research 
SN  - 9780412276309 (HB)
PY  - 1991///
CY  - London ; New York
PB  - Chapman and Hall
KW  - Public Health
KW  - Statistics
N1  - Includes bibliographical references (p. [575]-588) and index
ER  -