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Characterization of proanthocyanin-related leucoanthocyanidin reductase and anthocyanidin reductase genes in Lycium ruthenicum Murr. 
Xiaofei Shen, Shaohua Zeng, Min Wu, Chunzhao Liu, Ying Wang
Journal of Chinese Pharmaceutical Sciences . 2014, (6): 369 -377 .  DOI: 10.5246/jcps.2014.06.050