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Start Over Subjects Diphtheria -- mortality ✖Remove constraint Subjects: Diphtheria -- mortality Titles Sir, the Board of Health of the city is desirous of investigating the subject of the local causes of diphtheria ✖Remove constraint Titles: Sir, the Board of Health of the city is desirous of investigating the subject of the local causes of diphtheria

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  • Sir, the Board of Health of the city is desirous of investigating the subject of the local causes of diphtheria1