Study protocol for a multicentre comparative diagnostic accuracy study of tools to establish the presence and severity of peripheral arterial disease in people with diabetes mellitus: the DM PAD study. - Normahani P; Burgess L; Norrie J; Epstein DM; Kandiyil N; Saratzis A; Smith S; Khunti K; Edmonds M; Ahluwalia R; Coward T; Hartshorne T; et al. (BMJ open, 2022)