Braun-Falco O, Plewig G, Wolff HH, Burgdorf W (2012). "Topical Therapy". Dermatology (2nd ed.). Springer Science & Business Media. p. 1724. ISBN9783642979316. Archived from the original on 2016-12-29.
World Health Organization (2019). World Health Organization model list of essential medicines: 21st list 2019. Geneva: World Health Organization. hdl:10665/325771. WHO/MVP/EMP/IAU/2019.06. License: CC BY-NC-SA 3.0 IGO.
Braun-Falco O, Plewig G, Wolff HH, Burgdorf W (2012). "Topical Therapy". Dermatology (2nd ed.). Springer Science & Business Media. p. 1724. ISBN9783642979316. Archived from the original on 2016-12-29.