title: Concerning the British data.
mesh_terms: D001777:Blood Coagulation; D003267:Contraception; D003276:Contraceptives, Oral; D004194:Disease; D004617:Embolism; D005193:Family Planning Services; D011655:Pulmonary Embolism; D013923:Thromboembolism; D014652:Vascular Diseases
chemical_list: D003276:Contraceptives, Oral
keywords: Blood Coagulation Effects; Contraception; Contraceptive Methods--side effects; Diseases; Embolism; Family Planning; Oral Contraceptives--side effects; Pulmonary Embolism; Thromboembolism; Vascular Diseases