Optimization of culturing conditions for production of somatic embryos and lignins of Schisandra chinensis (Turcz.) Baill - Dan Sun; Zhenxing wang; Yunfei Yu; Changyu Li; Hongyan Qin; Peilei Xu; Ying Zhao; Yingxue Liu; Yiming Yang; Shutian Fan; Jun Ai (Acta Physiologiae Plantarum, 2018)