Drupal-Bibcite0<style face="normal" font="default" size="100%">A comparative study of the spatial distribution of schistosomiasis in Mali in 1984-1989 and 2004-2006.</style><style face="normal" font="default" size="100%">A comparative study of the spatial distribution of schistosomiasis in Mali in 1984-1989 and 2004-2006.</style>