TY - BOOK ED - WHO Study Group on Rheumatic Fever and Rheumatic Heart Disease. TI - Surveillance of acute viral respiratory infections in Europe: report on a WHO symposium Madrid, 2-6 June 1980 T2 - EURO reports and studies SN - 9289012137 PY - 1981/// CY - Copenhagen PB - Regional Office for Europe KW - Respiratory organs KW - Diseases KW - Europe KW - Virus diseases KW - Public health ER -