title: Erythema nodosum secondary to the use of oral contraceptive. A case report.
mesh_terms: D000328:Adult; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004893:Erythema Nodosum / Q000139:chemically induced*; D004997:Ethinyl Estradiol / Q000009:adverse effects*; D005260:Female; D006801:Humans; D009644:Norgestrel / Q000009:adverse effects*
chemical_list: D003276:Contraceptives, Oral; D009644:Norgestrel; D004997:Ethinyl Estradiol