Kareem Hameed Rashid, Afaf K. Shwaikh, Alaa Jawad Hassan,. 2021. “Synergistic Immunosuppressive Activity of Chamomile Flower (Matricaria Chamomilla L.) Extracts and Methotrexate in Vivo”. Annals of the Romanian Society for Cell Biology 25 (6):15386-94. http://www.annalsofrscb.ro/index.php/journal/article/view/8585.