Barth, D. D., Zühlke, L. J., Joachim, A., Hoegger, T., Mayosi, B. M., & Engel, M. E. (2015). Effect of distance to health facility on the maintenance of INR therapeutic ranges in rheumatic heart disease patients from Cape Town: No evidence for an association. BMC Health Serv Res.

Barth, Dylan D., Liesl J. Zühlke, Alexia Joachim, Tyler Hoegger, Bongani M. Mayosi, and Mark E. Engel. "Effect of Distance to Health Facility On the Maintenance of INR Therapeutic Ranges in Rheumatic Heart Disease Patients From Cape Town: No Evidence for an Association." BMC Health Serv Res 2015.

Barth, Dylan D., et al. "Effect of Distance to Health Facility On the Maintenance of INR Therapeutic Ranges in Rheumatic Heart Disease Patients From Cape Town: No Evidence for an Association." BMC Health Serv Res 2015.