Shipman A R, Yesudian P D, Humphreys F, Levell N J
Dermatology Department, Portsmouth Hospital, Portsmouth, Hampshire, UK.
Dermatology Department, Betsi Cadwaladr University Health Board, Wrexham, Gwynedd, UK.
Clin Exp Dermatol. 2019 Apr;44(3):e55-e57. doi: 10.1111/ced.13911. Epub 2019 Feb 17.