A. Abood S, M. Al-Dulaimee H. Presence of Dihydrofolate Reductase in Seedlings and Callus of Nigella Sativa L. Plant. RSCI [Internet]. 2006 Jan. 1 [cited 2025 Sep. 29];17(2):26-38. Available from: https://jwups.uomosul.edu.iq/index.php/rsci/article/view/46912