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Journal Article Invited Commentary: Some Limitations of Semiquantitative Food Frequency Questionnaires Get access Christopher T. Sempos Christopher T. Sempos Longitudinal Studies Branch, Division of Health Examination Statistics, National Center for Health Statistics, Centers for Disease Control6525 Belcrest Road, Hyatts-ville, MD 20782 Search for other works by this author on: Oxford Academic PubMed Google Scholar American Journal of Epidemiology, Volume 135, Issue 10, 15 May 1992, Pages 1127–1132, https://doi.org/10.1093/oxfordjournals.aje.a116212 Published: 15 May 1992 Article history Received: 08 November 1991 Accepted: 22 November 1991 Published: 15 May 1992
Christopher T. Sempos (Fri,) studied this question.