TY - BOOK AU - Ansari,N. AU - Davis,A. ED - WHO Study Group on Rheumatic Fever and Rheumatic Heart Disease TI - Epidemiology and control of schistosomiasis (bilharziasis) SN - 0839105789 PY - 1973/// CY - Baltimore PB - University Park Press KW - Schistosomiasis KW - Prevention ER -