Mohammed I. Hamzah, Israa A. Abdul Kareem and Sabah Hasan Shindakh Nooraldeen (2020). REVIEW ABOUT THERAPEUTIC AND PROPHYLACTIC EFFECTS OF VITAMIN (D AND E) ON SOME RESPIRATORY VIRAL INFECTIONS, AND COVID 19. ISSN: 2320-5407. DOI: 10.21474/IJAR01/10908. CiteFactor. https://citefactor.org/article/175494/review-about-therapeutic-and-prophylactic-effects-of-vitamin-d-and-e-on-some-respiratory-viral-infections-and-covid-19