title: Erythema nodosum secondary to oral contraceptive usage. A case report.
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects*; D004893:Erythema Nodosum / Q000139:chemically induced*; D005260:Female; D006801:Humans
chemical_list: D003276:Contraceptives, Oral; D003278:Contraceptives, Oral, Hormonal