British Association of Dermatologists guidelines for biologic therapy for psoriasis 2020: A rapid update by Smith, CH, Yiu, ZZ, Bale, T, Burden, AD, Coates, LC, Edwards, W, MacMahon, E, Mahil, S, McGuire, A, Murphy, R, Nelson-Piercy, C, Owen, CM, Parslew, R, Uthman, OA, Woolf, RT, Manounah, L, Ezejimofor, M, Exton, LS, Mohd Mustapa, MF

British Association of Dermatologists guidelines for biologic therapy for psoriasis 2017 by Smith, CH, Jabbar-Lopez, ZK, Yiu, ZZ, Bale, T, Burden, AD, Coates, LC, Cruickshank, M, Hadoke, T, MacMahon, E, Murphy, R, Nelson-Piercy, C, Owen, CM, Parslew, R, Peleva, E, Pottinger, E, Samarasekera, EJ, Stoddart, J, Strudwicke, C, Venning, VA, Warren, RB, Exton, LS, Mustapa, MF