000 00383nam a2200121Ia 4500
100 _aMontresor, A; Crompton, D W T; Gyorkos, T W & Savioli, L
020 _a92-4-154556-9
942 _cBK
245 _aHelminth control in school-age children
_ba guide for managers of control programmes
260 _aWorld Health Organization, Geneva
_c2002
082 _a371.3 Hel
300 _aviii,64
999 _c23434
_d23434