Augmentation of glutathione in the fluid lining the epithelium of the lower respiratory tract by directly administering glutathione aerosol - Buhl,R.; Vogelmeier,C.; Crittenden,M.; Hubbard,R.C.; Hoyt,R.F.; Wilson,E.M.; Cantin,A.M.; Crystal,R.G. (Proc Natl Acad Sci USA, 1990)