title: Letter: Acute rheumatic fever.
mesh_terms: D001431:Bacteriological Techniques; D003365:Costs and Cost Analysis; D006801:Humans; D010612:Pharyngitis / Q000382:microbiology*; D012213:Rheumatic Fever / Q000517:prevention & control*; D013290:Streptococcal Infections / Q000175:diagnosis*; D013291:Streptococcus / Q000302:isolation & purification*