COVID-19-associated risks and effects in myasthenia gravis (CARE-MG). Issue 12 (December 2020) - Muppidi, Srikanth; Guptill, Jeffrey T; Jacob, Saiju; Li, Yingkai; Farrugia, Maria E; Guidon, Amanda C; Tavee, Jinny O; Kaminski, Henry; Howard, James F; Cutter, Gary; Wiendl, Heinz; Maas, Matthew B; et al.