Li, Zhongai, Yaqiong Du, and Zicheng Wang. 2013. “Effect of Cryopreservation on the Efficiency of Exogenous Gene Genetic Transformation and Expression Level of Arabidopsis Thaliana”. Electronic Journal of Biotechnology 16 (6). Valparaíso, Chile. https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v16n6-12.