{{Cite journal| doi = 10.7241/ourd.20192.27| issn = 2081-9390| volume = 10| issue = 2| pages = 204–205| last1 = Tamer| first1 = Funda| last2 = Umudum| first2 = Haldun| title = A rare coexistence of alopecia areata and lichen planus| journal = Our Dermatology Online| date = 2019-04-09}}