[INCIDENCE OF RHEUMATISM AND BETA-HEMOLYTIC STREPTOCOCCI AMONG THE WORKERS OF THE "GEORGI DIMITROV" PRINTING OFFICE].
D002031:Bulgaria; D004813:Epidemiology; D006801:Humans; D015994:Incidence; D011327:Printing; D012216:Rheumatic Diseases; D012213:Rheumatic Fever; D013291:Streptococcus
BULGARIA; EPIDEMIOLOGY; RHEUMATIC FEVER
RAZPROSTRANENIE NA REVMATIZMA I BETA-KHEMOLITICHNITE STREPTOKOKI SRED RABOTINTSITE OT DURZHAVNA PECHATNITSA "GEORGI DIMITROV".