Verallo-Rowell, V M Double-blind comparison of azelaic acid and hydroquinone in the treatment of melasma. [electronic resource] - Acta dermato-venereologica. Supplementum 1989 - 58-61 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial ISSN: 0365-8341 Subjects--Topical Terms: Administration, TopicalDicarboxylic Acids--administration & dosageDouble-Blind MethodDrug Eruptions--etiologyFemaleHumansHydroquinones--administration & dosageMaleMelanosis--drug therapyMulticenter Studies as TopicRandom Allocation