TY  - BOOK
AU  - Norell,Staffan
TI  - Workbook of epidemiology
SN  - 0195074904
AV  - RA651 .N67 1995
PY  - 1995///
CY  - New York, Oxford
PB  - Oxford University Press
KW  - Epidemiology
N1  - Includes bibliography and index
ER  -