مقال بحثي وصول مفتوح Frontline Healthcare Workers’ Awareness and Preparedness During the First Wave of Coronavirus Disease 2019 (COVID-19): A Cross-Sectional Study from Four National Referral Hospitals in Muscat, Oman Noreen Hassan, إبراهيم س. البوسعيدي, Thomas Pirker وآخرون · مجلة عُمان الطبية · 2026