title: Case of the month. Persistent gingival bleeding.
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects*; D005260:Female; D005884:Gingival Hemorrhage / Q000139:chemically induced*; D005891:Gingivitis / Q000139:chemically induced*; D006801:Humans; D006472:Oral Hemorrhage / Q000139:chemically induced*
chemical_list: D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal