Detail Information
Publications
Role of self-concept in answering survey questions on complementary and alternative medicine: challenges to and strategies for improving data qualityStephanie Willson
Office of Research and Methodology, National Center for Health Statistics, 3311 Toledo Road, Hyattsville, MD 20782, USA
J Altern Complement Med 15:1319-25. 2009..The aim of this study was to assess the construct validity of survey questions about the use of herbal and other nonvitamin/nonmineral dietary supplements...
