Urinary schistosomiasis in Nigeria: a 50 year review of prevalence, distribution and disease burdenCharles Ogbonna Ezeh, Kenechukwu Chibuike Onyekwelu, Olaoluwa Phebian Akinwale, Lv Shan and Hu WeiParasite, 26 (2019) 19DOI: https://doi.org/10.1051/parasite/2019020