Chandra, M; Levitt, J; Pensabene, CA (May 2012). “Hydroquinone therapy for post-inflammatory hyperpigmentation secondary to acne: not just prescribable by dermatologists”. Acta Dermato-Venerologica92 (3): 232–5. doi:10.2340/00015555-1225. PMID22002814.
Mansouri, P.; Farshi, S.; Hashemi, Z.; Kasraee, B. (2015-07-01). “Evaluation of the efficacy of cysteamine 5% cream in the treatment of epidermal melasma: a randomized double-blind placebo-controlled trial”. The British Journal of Dermatology173 (1): 209–217. doi:10.1111/bjd.13424. PMID25251767.
Chandra, M; Levitt, J; Pensabene, CA (May 2012). “Hydroquinone therapy for post-inflammatory hyperpigmentation secondary to acne: not just prescribable by dermatologists”. Acta Dermato-Venerologica92 (3): 232–5. doi:10.2340/00015555-1225. PMID22002814.
Mansouri, P.; Farshi, S.; Hashemi, Z.; Kasraee, B. (2015-07-01). “Evaluation of the efficacy of cysteamine 5% cream in the treatment of epidermal melasma: a randomized double-blind placebo-controlled trial”. The British Journal of Dermatology173 (1): 209–217. doi:10.1111/bjd.13424. PMID25251767.