Prevalence of recurrent oral ulcers and association with ABO/Rh group systems in a Lebanese sample

Affiliations

• ¹ Department of Oral and Maxillofacial Surgery, Department of Oral Medicine, Faculty of Dental Medicine, Lebanese University, Beirut, Lebanon; Attending Oral Surgeon, Baabda University Hospital, Baabda, Lebanon.
• ² Attending Oral Surgeon, Baabda University Hospital, Baabda, Lebanon.
• ³ Department of Prosthodontics and Esthetic Dentistry, Faculty of Dental Medicine, Saint-Joseph University, Beirut, Lebanon.
• ⁴ Department of Emergency Medicine, American University of Beirut, Beirut, Lebanon. Electronic address: [email protected].