Drupal-Bibcite0<style face="normal" font="default" size="100%">Chemical Control of Snail Vectors as an Integrated Part of a Strategy for the Elimination of Schistosomiasis—A Review of the State of Knowledge and Future Needs</style><style face="normal" font="default" size="100%">Chemical Control of Snail Vectors as an Integrated Part of a Strategy for the Elimination of Schistosomiasis—A Review of the State of Knowledge and Future Needs</style>