TY  - BOOK
AU  - Selvin, S.
TI  - Epidemiologic analysis: a case-oriented approach 
SN  - 0195146182 (alk. paper)
AV  - RA652.2.M3 S445 2001
PY  - 2001///
CY  - Oxford : New York
PB  - Oxford University Press
KW  - Epidemiologic Methods
N1  - Includes bibliographical references (p. [267]-269) and index
ER  -