Department of Anesthesia and Intensive Care, Faculty of Medicine, Menoufia University, Shebin El-Kom, Egypt. Organic Chemistry Department, Faculty of Science, Menoufia University, Shebin El-Kom, Egypt. Department of Chest Diseases, Faculty of Medicine, Tanta University, Tanta, Egypt. Internal Medicine Department, Liver Institute, Menoufia University, Shebin El-Kom, Egypt. Ear, Nose, and Throat Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt.