Frempong, K. F., Walker, M., Cheke, R. A., Tetwvi, E. J., Gyan, E. T., Wilson, M. D., Boakye, D. A., Taylor, M. J., Biritwum, N. K., Osei-Atweneboana, M. Y., & Basáñez, M.-G. (2016). Does increasing treatment frequency address sub-optimal responses to ivermectin for the control and elimination of river blindness. Clinical Infectious Diseases, 62, 1338-1347. https://doi.org/10.1093/cid/ciw144