Pei Tang Igor Zubryzcki Yan Xu Ab Initio Calculation of structures and properties of halogenated general anesthetics: halothane and sevoflurane. 436-444 2001 22 Journal of Computational Chemistry 4 http://dx.doi.org/10.1002/1096-987X(200103)22:4<436::AID-JCC1014>3.0.CO;2-U db/journals/jcc/jcc22.html#TangZX01