Journal Article
Du Preez, Martella, Ronan M Conroy, James A Wright, Sibonginkosi Moyo, Natasha Potgieter, and Stephen W Gundry.
"Use of ceramic water filtration in the prevention of diarrheal disease: a randomized controlled trial in rural South Africa and Zimbabwe." The American journal of tropical medicine and hygiene 79, no. 5 (2008): 696-701.