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This is to certify that your paper entitled «The Use of Medicine in Espionage, an Old Profession: The Example of Missionary Activities in the Ottoman Empire» was indexed with 18 pages, in the CIVILICA citation database, code COI:JR_RHM-15-3_003, after evaluation and approval of the referees of the "Journal of Research on History of Medicine Vol 15, Issue 3 , Year 2026.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above journal and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.