title: LONG TERM CHANGES IN THE NATURAL HISTORY OF INFECTIOUS DISEASES.
mesh_terms: D001699:Biometry; D003141:Communicable Diseases; D004165:Diphtheria; D004813:Epidemiology; D006664:History; D008457:Measles; D009026:Mortality; D012541:Scarlet Fever; D013223:Statistics as Topic
keywords: DIPHTHERIA; EPIDEMIOLOGY; HISTORY; MEASLES; MORTALITY; SCARLET FEVER; STATISTICS