“Preliminary Biochemical Study of Aqueous, Ethanolic and Alkaloids Extracts of Xanthium Spinosum L”. University of Thi-Qar Journal of Science 1, no. 3 (January 13, 2009): 46–63. Accessed December 26, 2024. http://mail.jsci.utq.edu.iq/index.php/main/article/view/188.