Salem Abd ElHakim Salem, Abu El Maaty Mohamed , Alaa Aldeen Abd Allah Mohamed , Nermeen Elmoataz Bellah Ahmed. “Effect of Nigella Sativa Oil on the Stemness Properties of Human Dental Pulp Stem Cells: An Invitro Study”. Annals of the Romanian Society for Cell Biology, vol. 25, no. 6, June 2021, pp. 10357-68, https://www.annalsofrscb.ro/index.php/journal/article/view/7398.