A novel NFkB1 mutation linking pyoderma gangrenosum and common variable immunodeficiency - Qisi Sun, MD; Jeff R. Gehlhausen, MD, PhD; Marianna Freudzon, MD; Nour Kibbi, MD; Allen Bale, MD; Keith Choate, MD, PhD; Mary Tomayko, MD, PhD; Ian Odell, MD, PhD; Sarika Ramachandran, MD (Elsevier, 2021)