BACE1 (β-Secretase) Inhibitory Chromone Glycosides from Aloe vera and Aloe nobilis - Lv, Liang; Yang, Qing-Yun; Zhao, Ying; Yao, Chun-Suo; Sun, Yang; Yang, Eun-Ju; Song, Kyung-Sik; Mook-Jung, Inhee; Fang, Wei-Shuo (Planta Medica, 2008)