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