{{Cite journal| doi = 10.7241/ourd.20193.25| issn = 20819390| volume = 10| issue = 3| pages = 306–307| last = Lamouaffaq| first = Amina| title = Idiopathic pyoderma gangrenosum| journal = Our Dermatology Online| accessdate = 2019-07-02| date = 2019-07-02| url = http://www.odermatol.com/issue-in-html/2019-3-25-pyoderma/}}