Ritchie, Brett K., Brewster, David R., Tran, Cuong D., Davidson, Geoffrey P., McNeil, Yvette, and Butler, Ross N. (2010) Efficacy of Lactobacillus GG in Aboriginal children with acute diarrhoeal disease: a randomised clinical trial. Journal of Pediatric Gastroenterology and Nutrition, 50 (6). pp. 619-624.

Ritchie, Brett K., Brewster, David R., Davidson, Geoffrey P., Tran, Cuong D., McNeil, Yvette, Hawkes, Joanna S., and Butler, Ross N. (2009) 13C-sucrose breath test: novel use of a noninvasive biomarker of enviromental gut health. Pediatrics, 124 (2). pp. 620-626.

Ritchie, Brett, Brewster, David, Tran, Cuong D., McNeil, Yvette, Zacharakis, Betty, Davidson, Geoffrey P., and Butler, Ross N. (2009) Lack of diagnostic accuracy of the Monoclonal stool antigen test for detection of Helicobacter pylori infection in young Australian Aboriginal children. Pediatric Infectious Disease Journal, 28 (4). pp. 287-289.