Real-world evidence: One tweet at a time Published on 2020-12-012023-07-12 Journal: Multiple sclerosis (Houndmills, Basingstoke, Engla [키워드] COVID-19 social media Twitter [저자] Suma Shah [Category] SARS, Pubmed URL [DOI] 10.1177/1352458520932809 [Source] pubmed All Keywords 【저자키워드】 COVID-19, social media, Twitter,