Journal Article
Peltzer, Karl, Sandra Hewlett, Alfred E Yawson, Paula Moynihan, Raman Preet, Fan Wu, Godfrey Guo, Perianayagam Arokiasamy, James J Snodgrass, Somnath Chatterji, Mark E Engelstad, and Paul Kowal.
"Prevalence of Loss of All Teeth (Edentulism) and Associated Factors in Older Adults in China, Ghana, India, Mexico, Russia and South Africa." International Journal of Environmental Research and Public Health 11, no. 11 (2014): 11308-11324.