PT - JOURNAL ARTICLE AU - Onda, Takeshi AU - Hayashi, Kamichika AU - Katakura, Akira AU - Takano, Masayuki TI - Spontaneous oral hematoma diagnosed as angina bullosa hemorrhagica AID - 10.3949/ccjm.89a.22040 DP - 2022 Nov 01 TA - Cleveland Clinic Journal of Medicine PG - 615--616 VI - 89 IP - 11 4099 - http://www.ccjm.org/content/89/11/615.short 4100 - http://www.ccjm.org/content/89/11/615.full SO - Cleve Clin J Med2022 Nov 01; 89