Furong Gao, Arsenio Nicolas. “A Comparative Study of the Shaanxi Zheng School and Shandong Zheng School”. Annals of the Romanian Society for Cell Biology (April 23, 2021): 8626–8639. Accessed August 26, 2026. http://www.annalsofrscb.ro/index.php/journal/article/view/3576.