http://www.tandf.co.uk/journals/titles/14786 419. asp Natural Natural product research Product Research NAT PROD RES 影响因子:0.525 2003年以后,更名A Free sample background from www.powerpointbackgrounds.com Slide 6 Natural Product Research NAT PROD RES 影响因子:0.525 2003年以后,更名 http://www.tandf.co.uk/journals/titles/14786 419.asp