TY - JOUR T1 - Spontaneous oral hematoma diagnosed as angina bullosa hemorrhagica JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 615 LP - 616 DO - 10.3949/ccjm.89a.22040 VL - 89 IS - 11 AU - Takeshi Onda AU - Kamichika Hayashi AU - Akira Katakura AU - Masayuki Takano Y1 - 2022/11/01 UR - http://www.ccjm.org/content/89/11/615.abstract N2 - ER -