TY - JOUR ID - 98286 TI - Relationship of blood types (ABO/Rh) with recurrent aphthous ulcers: A case-control study JO - Iranian Journal of Dermatology JA - IJD LA - en SN - AU - Fahimeh, Rezazadeh AU - Shilan, Salah AU - Nazemi Salman, Bahareh AU - Shahdadi, Ebrahim AD - Y1 - 2016 PY - 2016 VL - 19 IS - 2 SP - 40 EP - 44 KW - recurrent aphthous stomatitis KW - blood groups KW - oral ulcer DO - N2 - Background: Recurrent aphthous stomatitis (RAS) is among the most common oral lesions and pain is often the chief complaint of patients. The main etiology of RAS is unknown but several predisposing factors have been suggested. This study aims to assess the correlation of blood types (ABO/Rh) with RAS. Methods: We conducted this prospective screening study on 50 patients with RAS and 50 controls. Both groups received a questionnaire and underwent serum screening for detection of blood t UR - https://www.iranjd.ir/article_98286.html L1 - https://www.iranjd.ir/article_98286_523bd05023ef58aefb4e2a8cdd4dd5c9.pdf ER -