Algharrawi KHR, Subramanian M. Production of 7-methylxanthine from Theobromine by Metabolically Engineered E. coli. IJCPE [Internet]. 2020 Sep. 30 [cited 2024 Nov. 23];21(3):19-27. Available from: https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/822