000 00255nam a2200109Ia 4500
100 _aW.H.O Tech.Rep series no.728
942 _cBK
245 _aThe control of schistosomiasis
260 _aW.H.O, Geneva
_c1985
082 _aR616.963 WHO/TRS
300 _a113
999 _c60493
_d60493