Report of a Pretest of the Survey Instrument for the Vietnam Era Twin Study Survey of Health.

Citation

O'Brien, Mary Utne. 1984. “Report of a Pretest of the Survey Instrument for the Vietnam Era Twin Study Survey of Health..” Special Collections, USDA National Agricultural Library. Accessed July 22, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/3185.