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Journal Article CHARACTERISTICS OF RESPONDENTS AND NONRESPONDENTS TO A QUESTIONNAIRE FOR ESTIMATING COMMUNITY MOOD Get access GEORGE W. COMSTOCK, GEORGE W. COMSTOCK Reprint requests to Training Center for Public Health Research, Box 2087, Hagerstown, Maryland 21740 Search for other works by this author on: Oxford Academic PubMed Google Scholar KNUD J. HELSING KNUD J. HELSING Search for other works by this author on: Oxford Academic PubMed Google Scholar American Journal of Epidemiology, Volume 97, Issue 4, April 1973, Pages 233–239, https://doi.org/10.1093/oxfordjournals.aje.a121504 Published: 01 April 1973 Article history Received: 08 December 1972 Published: 01 April 1973
Comstock et al. (Sun,) studied this question.
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