[EXPERIENCE AND INITIAL CONCLUSIONS OBTAINED IN THE 1ST PILOT CAMPAIGN ON THE EPIDEMIOLOGY OF RHEUMATIC FEVER IN MADRID. I. FOREWARD AND GENERAL CONSIDERATIONS].
D004813:Epidemiology; D012213:Rheumatic Fever; D013030:Spain
EPIDEMIOLOGY; RHEUMATIC FEVER; SPAIN
EXPERIENCIA Y CONCLUSIONES INICIALES OBTENIDAS EN UNA PRIMERA CAMPA NA PILOTO SOBRE EPIDEMIOLOG'IA DE LA FIEBRE REUM'ATICA EN MADRID. I. PRE'AMBULO Y CONSIDERACIONESGENERALES.