Murdoch, I.Jones, B. R.Babalola, O. E.Cousens, S. N.Bolarin, I.Abiose, A.2018-03-252018-03-251996-12-310042-9686https://iris.who.int/handle/10665/264121enResearch ArticleRed-dot card test of the paracentral field as a screening test for optic nerve disease in onchocerciasis.Journal articlesPMC24867949060216