Induced callus from seedlings of Peganum harmala L. and studying harmine compound concentration in vitro and in vivo by GC analysis. Iraqi Journal of Science [Internet]. 2019 Jul. 17 [cited 2024 May 5];60(7):1442-51. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1068