Solubility enhancement and in vitro evaluation of PEG-b-PLA micelles as nanocarrier of semi-synthetic andrographolide analogue for cholangiocarcinoma chemotherapy - Puntawee, S; Theerasilp, M; Reabroi, S; Saeeng, R; Piyachaturawat, P; Chairoungdua, A; Nasongkla, N (Pharm Dev Technol, 2016)