Contribution to the estimate of the epidemiological importance of streptococci in military communities.
D004812:Epidemiologic Methods; D006801:Humans; D008887:Military Medicine; D013290:Streptococcal Infections / Q000453:epidemiology*; D013291:Streptococcus / Q000276:immunology / Q000302:isolation & purification* / Q000472:pathogenicity