https://www.noormags.ir ar https://www.noormags.ir/view/ar/articlepage/2022844/biological-activity-test-of-the-alcoholic-extract-of-the-leaves-of-catharanthus-roseus-l-g-don-treated-with-sodium-chloride-nitrogen-and-selenium-in-inhibiting-the-growth-of-gram-positive-and-gram-negative-bacteria Tue, 21 Dec 2021 20:30:00 GMT