| urinary schistosomiasis in the sichili health zone, western province, zambia. | the distribution of schistosoma haematobium in the sichili health zone in the western province of zambia was studied by performing cross-sectional surveys in mwanalulenga (n = 493), a cluster of rural settlements along the namakala stream and the machili river, mulobezi (n = 114), a semi-urban settlement along the mulobezi river; and school-based surveys in mulauli (n = 85), a small rural settlement along the machili river, and in sichili (n = 199), along the namakala stream. the s. haematobium ... | 1991 | 1801143 |