Monteiro, RC (2013). A Comparative Study of the Efficacy of 4% Hydroquinone vs 0.75% Kojic Acid Cream in the Treatment of Facial Melasma. Indian Journal of Dermatology. 2013; 58(2): Page 157. https://www.ncbi.nlm.nih.gov/pubmed/23716817
Monteiro, RC (2013). A Comparative Study of the Efficacy of 4% Hydroquinone vs 0.75% Kojic Acid Cream in the Treatment of Facial Melasma. Indian Journal of Dermatology. 2013; 58(2): Page 157. https://www.ncbi.nlm.nih.gov/pubmed/23716817