Quandt, Sara A., Spangler, John G., Case, L. Douglas, Bell, Ronny A., Belflower, Amy E. "Smokeless tobacco use accelerates age-related loss of bone mineral density among older women in a multi-ethnic rural community." Journal of Cross-Cultural Gerontology, Vol 20(2), Jun. 2005. pp. 109-125.
“Breast cancer: snuff said.” Journal of Dental Hygiene 74.3 (Summer 2000): 172.
Spangler, John G.; L. Douglas Case; Ronny A. Bell; and Sara A. Quandt. “Tobacco use in a tri-ethnic population of older women in southeastern North Carolina.” Ethnicity & disease 13.2 (Spring 2003): 226-232.
Spangler, J.G.; M.B. Dignan, and R.M. Michielutte. “Smokeless tobacco use among American Indian women--southeastern North Carolina, 1991.” Morbidity and Mortality Weekly Report 44.6 (February 17, 1995): 113-117.
Spangler, John Given; Bell, Ronny Antonio; Dignam, Mark Boberg; and Michielutte, Robert. “Prevalence and predictors of tobacco use among Lumbee Indian women in Robeson County, North Carolina.” Journal of Community Health 22.2 (April 1997): 115-25.