Downes, B. L., and K. H. Jacobsen. “A SYSTEMATIC REVIEW OF THE EPIDEMIOLOGY OF MANSONELLIASIS”.
African Journal of Infectious Diseases (AJID)
, vol. 4, no. 1, Dec. 2009, pp. 7-14, https://journals.athmsi.org/index.php/AJID/article/view/987.