BOSTON--(BUSINESS WIRE)--Four Boston doctors had their research regarding the treatment of autoimmune disease reported in this week’s New England Journal of Medicine (NEJM). Specifically Drs. Abdul Razzaque Ahmed, Zachary Spigelman, Lisa Cavacini and Marshall Posner reported on their use of rituximab and intravenous immune globulin in patients with recalcitrant pemphigus vulgaris.