Clark, A. D., Hasso-Agopsowicz, M., Kraus, M. W., Stockdale, L. K., Sanderson, C. F. B., Parashar, U. D., & Tate, J. E. (2019). Update on the global epidemiology of intussusception: A systematic review of incidence rates, age distributions and case-fatality ratios among children aged <5 years, before the introduction of rotavirus vaccination. Int J Epidemiol.

Clark, Andrew D., Mateusz Hasso-Agopsowicz, Matthew W. Kraus, Lisa K. Stockdale, Colin F B. Sanderson, Umesh D. Parashar, and Jacqueline E. Tate. "Update On the Global Epidemiology of Intussusception: A Systematic Review of Incidence Rates, Age Distributions and Case-fatality Ratios Among Children Aged <5 years, Before the Introduction of Rotavirus Vaccination." Int J Epidemiol 2019.

Clark, Andrew D., et al. "Update On the Global Epidemiology of Intussusception: A Systematic Review of Incidence Rates, Age Distributions and Case-fatality Ratios Among Children Aged <5 years, Before the Introduction of Rotavirus Vaccination." Int J Epidemiol 2019.