Li Wu, Xianzhen Yin, Zhen Guo, Yajun Tong, Jing Feng, Peter York, Tiqiao Xiao, Min Chen, Jingkai Gu, Jiwen Zhang, Hydration induced material transfer in membranes of osmotic pump tablets measured by synchrotron radiation based FTIR, Eur. J. Pharm. Sci., 84, 132–138(2016).
https://doi.org/10.1016/j.ejps.2016.01.020