{{Cite journal| doi = 10.7241/ourd.20192.29| issn = 2081-9390| volume = 10| issue = 2| pages = 208–210| last = Bartoš| first = Vladimír| title = Cutaneous squamous cell carcinoma arising from the hair follicle| journal = Our Dermatology Online| date = 2019-04-09}}