Prophylaxis against streptococcic infection in an adult rheumatic population.
D006801:Humans; D012214:Rheumatic Heart Disease / Q000706:statistics & numerical data*; D013290:Streptococcal Infections / Q000517:prevention & control*; D013291:Streptococcus
RHEUMATIC HEART DISEASE/statistics; STREPTOCOCCAL INFECTIONS/prevention and control