Validity of proxy reports obtained using the Ontario Familial Colon Cancer Registry epidemiologic questionnaire.

Authors Nadalin V, Cotterchio M, McKeown-Eyssen G, et al.
Citation Am J Epidemiol. 2001;153:S88.
PubMedLink https://pubmed.ncbi.nlm.nih.gov/NA/
PMCID NA

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