1. Acne vulgaris;National Institute for Health and Care Excellence,2014
2. Acne vulgaris;Rao;Emedicine,2016
3. Guidelines of care for the management of acne vulgaris;Zaenglein;J Am Acad Dermatol,2016
4. European evidence based (S3) guidelines for the treatment of acne;Nast;J Eur Acad Dermatol Venereol,2012
5. Advice on the safe introduction and continued use of isotretinoin in acne in the UK;Goodfield;Br J Dermatol,2010