Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Mohammad H Rajab and Abdalla M Gazal and Khaled Alkattan,Challenges to Online Medical Education During the COVID-19 Pandemic,Cureus,2168-8184,Springer Science and Business Media LLC,2020-07-02,,,,https://cir.nii.ac.jp/crid/1360011143919242368,https://doi.org/10.7759/cureus.8966