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Start Over You searched for: Subjects Diagnosis, Differential Remove constraint Subjects: Diagnosis, Differential Languages English Remove constraint Languages: English Dates by Range 1850-1899 Remove constraint Dates by Range: 1850-1899

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22. The differential diagnosis between diphtheria and other diphtheroid (pseudo-membranous) inflammations of the upper air-passages can only be positively established in doubtful cases by the presence of the Klebs-Loeffler bacillus