An approach to estimate between- and within-group correlation coefficients in multicenter studies: plasma carotenoids as biomarkers of intake of fruits and vegetables
Series / Report no.
Open Access
Type
Article
Language
Date
2005
Research Projects
Organizational Units
Journal Issue
Title
An approach to estimate between- and within-group correlation coefficients in multicenter studies: plasma carotenoids as biomarkers of intake of fruits and vegetables
Translated Title
Published in
Am J Epidemiol 2005; 162(6):591-8