[EXPERIENCE WITH DECREASING DIPHTHERIA MORBIDITY AT THE TALLIN SANITARY-EPIDEMIOLOGICAL STATION].
D003140:Communicable Disease Control; D004165:Diphtheria; D004957:Estonia; D006801:Humans
COMMUNICABLE DISEASE CONTROL; DIPHTHERIA; ESTONIA
OPYT RABOTY PO SNIZHENIIU ZABOLEVAEMOSTI DIFTERIE I TALLINSKOI SANITARNO-'EPIDEMIOLOGICHESKO I STANTSII.