Zentralblatt für Bakteriologie--100 years ago: the controversy diphtheria and pseudodiphtheria bacilli versus virulent and avirulent diphtheria bacilli.
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D000818:Animals; D001432:Bacteriology / Q000266:history; D003353:Corynebacterium diphtheriae / Q000472:pathogenicity*; D003937:Diagnosis, Differential; D004165:Diphtheria / Q000175:diagnosis / Q000266:history* / Q000382:microbiology; D006168:Guinea Pigs; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D014774:Virulence