Ethical and Professional Challenges of Telemedicine Usage in Providing Healthcare Services during COVID-19 Pandemic مؤلف البحث Doaa M. El Shehaby1, Medhat A. Saleh2, Marwa Kh. Mohammed1, Diab F. Hetta 3, Noha Esmael Ebrahem1 مجلة البحث Zagazig Journal of Forensic Medicine and Toxicology مؤلف البحث Doaa Mohamed Abdel Rahman Mohamed سنة البحث 2022