Ghassemi-Golezani, K., S. Ghassemi, and I. Yaghoubian. “Improving Oil and Flavonoid Contents of Milk Thistle under Water Stress by Salicylic Acid”. Advances in Horticultural Science, vol. 31, no. 1, July 2017, pp. 19-23, doi:10.13128/ahs-20721.