YouTube as a source of information during the Covid-19 pandemic: a content analysis of YouTube videos published during January to March 2020. - Parabhoi, Lambodara; Sahu, Ramani Ranjan; Dewey, Rebecca Susan; Verma, Manoj Kumar; Seth, Arbind Kumar; Parabhoi, Damodar (BMC Medical Informatics Decis. Mak., 2021)