TY - BOOK AU - World Health Organization TI - Health education in the control of schistosomiasis SN - 92-4-154407-4 U1 - 615.995 PY - 1990/// CY - Geneva PB - World Health Oraganization KW - WHO KW - Pharmacology -- Therapeutics N1 - Gift; WHO, pharmaceutical standards, international pharmacopoeia ER -