{Reference Type}: Case Reports {Title}: Case 12-2019: A 60-Year-Old Man with Weakness and Difficulty Chewing. {Author}: Doughty CT;Guidon AC;Paganoni S;Hedley-Whyte ET; {Journal}: N Engl J Med {Volume}: 380 {Issue}: 16 {Year}: Apr 2019 18 {Factor}: 176.079 {DOI}: 10.1056/NEJMcpc1900141 {Abstract}: