A case of ulcerated nodules in association with a monoclonal gammopathy - Sheena Bhadresha, MBBS, MRCP; Kirsty Cuthill, MA, MBBS, PhD; Jonathan Salisbury, BSc, MD; Carolina Fernandez, MBBS, MRCP; Danae Trokoudes, MB BCHIR (Cantab); Atheer Al Haddabi, BMBS, MRCP; Tanya Nandini Basu, MA, PhD (Elsevier, 2024)