figures from natrona county , wyoming , during the period 1957-1959 and from the papago indian health service in arizona during the years 1970-1982 indicate that a vigorous control program targeted to school children that used throat culturing to detect group a streptococci and to recommend adequate treatment effectively lowered the incidence of first attacks of rheumatic fever .
C3828857
natrona county
C0043287
wyoming