TY  - BOOK
AU  - Montresor, A; Crompton, D W T; Gyorkos, T W & Savioli, L
TI  - Helminth control in school-age children: a guide for managers of control programmes
SN  - 92-4-154556-9
U1  - 371.3 Hel 
PY  - 2002///
CY  - World Health Organization, Geneva
ER  -