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Ndayirukiye A, Ndikuryayo F, Mpawenayo PC, Ngezahayo J, Gahungu G. Theophylline and Caffeine Content in Black Tea Produced in Burundi. ESJ [Internet]. 2026Jan.24 [cited 2026Jan.25];490:600. Available from: https://eujournal.org/index.php/esj/article/view/20572