TY  - BOOK
AU  - Altman, Douglas G.
TI  - Practical statistics for medical research
SN  - 0412276305
PY  - 1991///
CY  - Boca Raton
PB  - Chapman and Hall
KW  - Research
KW  - methods
KW  - Statistics
N1  - Includes bibliographical references and index
ER  -