TY - GEN AU - Montresor, A AU - Savioli, L. AU - Crompton, D.W.T AU - Gyorkos, T.W TI - Helminth control in school-age children : a guide for managers of control programmes SN - 9241545569 U1 - 616.96206 PY - 2002/// CY - Geneva PB - World Health Organization KW - Other diseases KW - Parasitic diseases KW - Diseases due to endoparasites KW - diseases ER -