Has the participant ever flame cut metals as part of the Risk Factor Questionnaire for Toxicants
Tags:
Reference Documents:
ID:
Title:
URI:
Provider Org:
Language Code:
Document:
Epi Info: http://wwwn.cdc.gov/epiinfo/index.htm RFQ-U CRFs, Version 1.0 developed by the Epidemiology Working Group of the collaborative centers for PD.