Lichen Planus, Oral

Not specified

• Hôpital saint Roch — Nice, France

• Alazhar university ,faculty of Dental Medicine — Asyut, Egypt

• Wroclaw Medical University — Wroclaw, Lower Silesian Voivodeship, Poland

• University of Catania — Catania, CT, Italy

• University of Messina — Messina, Italy

• Oral Medicine and Periodontology Department — Cairo, Egypt
• Faculty of Dentistry, Cairo University — Giza, Egypt

• Washington University — St Louis, Missouri, United States

• Qazvin university of medical sciences — Qazvin, Qazvin Province, Iran

• University Hospital, Department of Dermatology — Tübingen, Germany