TY  - BOOK
AU  - Rothman, Kenneth J.
AU  - Greenland, Sander.
AU  - Lash, Timothy L.
TI  - Modern epidemiology
SN  - 9780781755641;0781755646
PY  - 2008///
CY  - Philadelphia
PB  - Wolters Kluwer Health/Lippincott Williams & Wilkins
KW  - Epidemiologic Methods
KW  - Epidemiology
N1  - Includes bibliographical references (p. 683-732) and index
ER  -