Effect of nutrient media enhanced with plant growth regulators on the variation in the mineral elements content of Digitalis purpurea L callus cell lines subcultures. مجلة العلوم الأساسية [Internet]. 2023 Dec. 3 [cited 2026 Jun. 18];39(4). Available from: https://journal.damascusuniversity.edu.sy/index.php/basj/article/view/5341