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Induction and selection variants using stem apexes of Hypericum perforatum L.
Wang Yifei, Lu Ruiju, Zhou Runmei, Sun Yuefang, Shan Lili, Huang Jianhua
Chinese Agricultural Science Bulletin . 2007, (6): 157 -157 .  DOI: 10.11924/j.issn.1000-6850.0706157