TY  - BOOK
AU  - Lemeshow,Stanley
AU  - Hosmer Jr,David W.
AU  - Klar,Janelle
AU  - Lwanga,Stephen K.
TI  - Adequacy of sample size in health studies
SN  - 0471925179
PY  - 1990///
CY  - England
PB  - John Wiley & sons Ltd.
KW  - Public health
KW  - statistical methods
N1  - Includes bibliographical references
ER  -