Potential sources of bias in the use of individual's recall of the frequency of exposure to air pollution for use in exposure assessment in epidemiological studies: a cross-sectional survey
Paul R Hunter, Karen Bickerstaff, Maria A DaviesVolume:
3
Language:
english
DOI:
10.1186/1476-069x-3-3
Date:
December, 2004
File:
PDF, 500 KB
english, 2004