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[EVALUATION OF VACCINES AND OF THE EFFECTIVENESS OF VACCINATIONS AGAINST TYPHOID FEVER. IX. USE OF THE PHAGOCYTESIS TEST IN THE EVALUATION OF THE EFFECTIVENESS OF VACCINATIONS AGAINST TYPHOID FEVER. (PRELIMINARY COMMUNICATION)]
[EVALUATION OF VACCINES AND OF THE EFFECTIVENESS OF VACCINATIONS AGAINST TYPHOID FEVER. IX. USE OF THE PHAGOCYTESIS TEST IN THE EVALUATION OF THE EFFECTIVENESS OF VACCINATIONS AGAINST TYPHOID FEVER. (PRELIMINARY COMMUNICATION)]