Trong, Tuan Tran Biomass accumulation of Panax vietnamensis in cell suspension cultures varies with addition of plant growth regulators and organic additives. [electronic resource] - Asian Pacific journal of tropical medicine Sep 2017 - 907-915 p. digital Publication Type: Journal Article ISSN: 2352-4146 Standard No.: 10.1016/j.apjtm.2017.08.012 doi