CHENG, Shuiyuan, Feng XU, Linling LI, Hua CHENG, and Weiwei ZHANG. “Seasonal Pattern of Flavonoid Content and Related Enzyme Activities in Leaves of Ginkgo Biloba L”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 40, no. 1 (May 14, 2012): 98–106. Accessed January 29, 2023. https://notulaebotanicae.ro/index.php/nbha/article/view/7262.