TY  - BOOK
AU  - Margetts, Barrie M
AU  - Nelson, Michael
TI  - Design concepts in nutritional epidemiology
SN  - 0192627406
PY  - 1997///
CY  - Oxford
PB  - Oxford University Press
KW  - Epidemiologic Methods
KW  - GENERAL
KW  - Nutrition Surveys
KW  - Research Design
ER  -