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توثيق أسلوب شيكاغو (الطبعة السابعة عشر)(63963), Akram Pourshams, et al. The Global, Regional, and National Burden of Pancreatic Cancer and Its Attributable Risk Factors in 195 Countries and Territories, 1990–2017: A Systematic Analysis for the Global Burden of Disease Study 2017. 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)(63963), Akram Pourshams, et al. The Global, Regional, and National Burden of Pancreatic Cancer and Its Attributable Risk Factors in 195 Countries and Territories, 1990–2017: A Systematic Analysis for the Global Burden of Disease Study 2017. 2019.