Test the effectiveness of some medications and vitamin D3 used against COVID-19 on Gram-positive and Gram-negative bacteria isolated from people infected with the Coronavirus. UTJsci [Internet]. 2024 Jun. 1 [cited 2024 Dec. 25];11(1):102-7. Available from: http://mail.jsci.utq.edu.iq/index.php/main/article/view/1169