Mavranezouli, I, Daly, C H, Welton, N J, Deshpande, S, Berg, L, Bromham, N, Arnold, S, Phillippo, D M, Wilcock, J, Xu, J, Ravenscroft, J C, Wood, D, Rafiq, M, Fou, L, Dworzynski, K & Healy, E 2022, ' A systematic review and network meta-analysis of topical pharmacological, oral pharmacological, physical and combined treatments for acne vulgaris ', British Journal of Dermatology, vol. 187, no. 5, pp. 639-649 . https://doi.org/10.1111/bjd.21739