Li, Tao; Zhang, Hao (2008), «Identification and Comparative Determination of Rhodionin in Traditional Tibetan Medicinal Plants of Fourteen Rhodiola Species by High-Performance Liquid Chromatography-Photodiode Array Detection and Electrospray Ionization-Mass Spectrometry», Chemical & Pharmaceutical Bulletin56 (6): 807–14, doi:10.1248/cpb.56.807, PMID18520085
Li, Tao; Zhang, Hao (2008), «Identification and Comparative Determination of Rhodionin in Traditional Tibetan Medicinal Plants of Fourteen Rhodiola Species by High-Performance Liquid Chromatography-Photodiode Array Detection and Electrospray Ionization-Mass Spectrometry», Chemical & Pharmaceutical Bulletin56 (6): 807–14, doi:10.1248/cpb.56.807, PMID18520085