000 00274 a2200109 4500
082 _a614.06
_bW89m
245 1 _aSNAIL CONTROL IN THE PREVENTION OF BILHARZIASIS
260 _aGeneva
_bWorld Health Organization
_c1965
300 _a255
964 _gCIRC
997 _a31698 s C
999 _c456397
_d456397