Kiliç, Ömer, Fethi Ahmet Özdemir, and Şinasi Yildirimli. “Essential Oils and Fatty Acids of Stachys L. Taxa, a Chemotaxonomic Approach”. Progress in Nutrition 19, no. 1-S (October 23, 2017): 49-59. Accessed October 25, 2020. https://www.mattioli1885journals.com/index.php/progressinnutrition/article/view/5029.