title: Diphtheria incidence and trends in relation to artificial immunization with some comparative data for scarlet fever.
authors.forename: S D
authors.initials: SD
authors.lastname: COLLINS
mesh_terms: 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
keywords: DIPHTHERIA/epidemiology and statistics; SCARLET FEVER/epidemiology and statistics