Li, S S, Y Li, L L Sun, B Z Hu, and Y Chang. 2015. “Identification and Expression Analysis of 4-Coumarate: Coenzyme A Ligase Gene Family in Dryopteris Fragrans”. Cellular and Molecular Biology 61 (4):25-33. https://mail.cellmolbiol.org/index.php/CMB/article/view/683.