TY - STAND AU - S. Langan AU - R. Groves AU - T. Card AU - M. Gulliford BT - J Invest Dermatol DO - 10.1038/jid.2012.130 M1 - 9 PY - 2012 SP - 2166 EP - 70 T2 - J Invest Dermatol TI - Incidence, mortality, and disease associations of pyoderma gangrenosum in the United Kingdom: a retrospective cohort study VL - 132 SN - 0022-202x ER -