Diphtheria incidence and trends in relation to artificial immunization with some comparative data for scarlet fever.
COLLINS
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SD
D001699:Biometry; D004165:Diphtheria / Q000453:epidemiology* / Q000706:statistics & numerical data*; D006801:Humans; D007114:Immunization; D015994:Incidence; D012541:Scarlet Fever / Q000453:epidemiology* / Q000706:statistics & numerical data*; D014611:Vaccination
DIPHTHERIA/epidemiology and statistics; SCARLET FEVER/epidemiology and statistics