Study and implementation of urogenital schistosomiasis elimination in Zanzibar (Unguja and Pemba islands) using an integrated multidisciplinary approach oleh Knopp Stefanie, Mohammed Khalfan A, Ali Said M, Khamis I, Ame Shaali M, Albonico Marco, Gouvras Anouk, Fenwick Alan, Savioli Lorenzo, Colley Daniel G, Utzinger Jürg, Person Bobbie, Rollinson David