TY - BOOK AU - World Health Organization TI - Report of the who informal consultation on monitoring of drug efficiency in the control of schistosomiasis and intestinal nematodes: Geneva 8-10 July 1998 U1 - 616.995 PY - 1998/// CY - Geneva PB - World Health Oraganization KW - WHO KW - Pathology -- Internal medicine N1 - Gift; WHO, international health, pathology, global disease ER -