title: Is an EMA review on hormonal contraception and thrombosis needed?
authors.forename: Frans M
authors.initials: FM
authors.lastname: Helmerhorst
authors.forename: Frits R
authors.initials: FR
authors.lastname: Rosendaal
mesh_terms: D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects*; D005062:European Union; D005260:Female; D006077:Government Agencies; D006801:Humans; D061214:Patient Safety; D013927:Thrombosis / Q000139:chemically induced*
chemical_list: D003278:Contraceptives, Oral, Hormonal