Effects of sedation on clinical, gasometric, and respiratory muscle parameters in critically ill chronic obstructive pulmonary disease patients Research Authors AF Alkarn, MF Abdelghany, MGA Khalaf, EZ Kamel, WAH Gadalla Research Date Fri, 1 Feb 2019 - 12:00 Research File ejb.ejb_79_18.pdf (1.38 MB) Research Journal Egyptian Journal of Bronchology Research Member Mohammad Gamal Abdalrahman Khalaf