Diarra, Sabake T., Ji He, Jianbo Wang, and Jiaru Li. 2013. “Ethylene Treatment Improves Diosgenin Accumulation in in Vitro Cultures of Dioscorea Zingiberensis via up-Regulation of CAS and HMGR Gene Expression”. Electronic Journal of Biotechnology 16 (5). Valparaíso, Chile. https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v16n5-9.