Samadi, S., Ghasemnezhad, A., Alizadeh, M., & Alami, M. "Influence of elicitors on photosynthesis pigments, caffeic acid, chlorogenic acid and proline content of Cynara scolymus callus", Iranian Journal of Horticultural Science, 47, 3, 2016, 435-443. doi: 10.22059/ijhs.2016.59806