Abed, A.S. and Jassim, E.H. 2024. Enhancement of the Production of Tropane Alkaloids in the Hyoscyamus Niger L. Callus Using Different Biotic Elicitors. Iraqi Journal of Science. 65, 9 (Sep. 2024), 4993–5004. DOI:https://doi.org/10.24996/ijs.2024.65.9.16.