title: Diphtheria in London and Birmingham, 1975.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004165:Diphtheria / Q000175:diagnosis / Q000453:epidemiology* / Q000635:transmission; D004739:England; D005260:Female; D006801:Humans; D008131:London