title: [EXPERIENCE AND INITIAL CONCLUSIONS OBTAINED IN THE 1ST PILOT CAMPAIGN ON THE EPIDEMIOLOGY OF RHEUMATIC FEVER IN MADRID. V. FREQUENCY OF STREPTOCOCCAL PHARYNGEAL INFECTION IN THE HEALTHY SCHOOL POPULATION AND ITS RELATION WITH THE DISEASE].
mesh_terms: D000293:Adolescent; D002648:Child; D006801:Humans; D010612:Pharyngitis; D012213:Rheumatic Fever; D012574:Schools; D013030:Spain; D013290:Streptococcal Infections
keywords: ADOLESCENCE; CHILD; PHARYNGITIS; RHEUMATIC FEVER; SPAIN; STREPTOCOCCAL INFECTIONS
vernacular_title: E PILOTO SOBRE EPIDEMIOLOG'IA DE LA FIEBRE REUM'ATICA EN MADRID. IV. T'ECNICA DE LA INVESTIGACI'ON BACTERIOL'OGICA.(EXPERIENCE AND INITIAL CONCLUSIONS OBTAINED IN THE 1ST PILOT CAMPAIGN ON THE EPIDEMIOLOGY OF RHEUMATIC FEVER IN MADRID. IV. TECHNIC FOR THE B