Forrer, A., Wanji, S., Obie, E. D., Nji, T. M., Hamill, L., Ozano, K., Piotrowski, H., Dean, L., Njouendou, A. J., Ekanya, R., Ndongmo, W. P. C., Fung, E. G., Nnamdi, D., Abong, R. A., Beng, A. A., Eyong, M. E., Ndzeshang, B. L., Nkimbeng, D. A., Teghen, S., Suireng, A., Ashu, E. E., Kah, E., Murdoch, M. M., Thomson, R., Theobald, S., Enyong, P., Turner, J. D., & Taylor, M. J. (2021). why onchocerciasis transmission persists after 15 annual ivermectin mass drug administrations in South-West Cameroon. BMJ global health, 6(1), . http://access.bl.uk/ark:/81055/vdc_100127569632.0x000011