TY  - BOOK
AU  - Gregg,Michael B.
TI  - Field epidemiology
SN  - 0195142594
AV  - RA651 .F49 2002
PY  - 2002///
CY  - Oxford
PB  - Oxford University Press
KW  - Epidemiology
KW  - Epidemics
N1  - Includes bibliographical references and index
ER  -