Sagiroglu S, Oztarakci H, Ozturk P, Doganer A, Tulay Koca T, Bilal N, Sarica S, Orhan I. The association of ABO blood group and rh factor with recurrent aphthous ulceration . annalsmedres [Internet]. 2021 May 25 [cited 2024 May 19];25(4):0540-4. Available from: http://www.annalsmedres.org/index.php/aomr/article/view/1160