Hanadi Hafid Abdulkareem Al-Saad/Ahmed Abd Burghal/ Marwan Y. Al-Maqtoofi3. Assessment of the Lysozyme and Lactoferrin in the Saliva of Vaccinated Individuals against COVID-19. (Humanities, social and applied sciences) Misan Journal of Academic Studies , v. 22, n. 48, p. 345-351, 30 Dec. 2023.