TY  - BOOK
AU  - Levy,Paul S.
AU  - Lemeshow,Stanley
AU  - Levy,Paul S.Sampling for health professionals
TI  - Sampling of populations: methods and applications 
SN  - 0471508225
PY  - 1991///
CY  - New York
PB  - John Wiley & Sons
KW  - Population
KW  - Statistical methods
KW  - Sampling (Statistics)
N1  - 'A Wiley-Interscience publication.'; Rev. and expanded ed. of : Sampling for health professionals c1980; Includes bibliographical references and index
ER  -