TY  - BOOK
AU  - Sackett,David L.
AU  - Sackett,David L.
TI  - Clinical epidemiology: a basic science for clinical medicine 
SN  - 0316765996
AV  - RA652 .C41
PY  - 1991///
CY  - Boston
PB  - Little, Brown
KW  - Clinical epidemiology
N1  - Rev. ed. of: Clinical epidemiology / David L. Sackett, R. Brian Haynes, Peter Tugwell. 1st ed. c1985; Five Critical appraisal cards in pocket; Includes bibliographical references and index
ER  -