2 | Preparation and In Vitro/In Vivo Evaluation of puerarin solid self-microemulsifying drug delivery system by spherical crystallization technique | AAPS PharmSciTech,December 2016, Volume 17, Issue 6, pp 1336–1346 | Gang Cheng, Rongfeng Hu*, Lei Ye, Bin Wang, Yun Gui, Song Gao, Xiaoxiang Li, and Jihui Tang |