Faculty of Medicine, Zagazig City, Egypt
Chest Department,Faculty of Medicine, Zagazig, Egypt
Rana Ehab, Zagazig, Egypt
Zagazig University, Zagazig, Egypt
Dermatology department, Gharyan University Hospitals, Medical College, Gharyan University, Gharyan, Select Region, Libyan Arab Jamahiriya
Zagazig University, Faculty of medicine, Zagazig, Egypt
Faculty of medicine, Zagazig University, Zagazig, Sharkia, Egypt
Heba M Fathi, Zagazig, Egypt