title: Varicose veins and haemorrhoids: findings in the Oxford-FPA study.
authors.forename: Martin
authors.initials: M
authors.lastname: Vessey
authors.forename: David
authors.initials: D
authors.lastname: Yeates
mesh_terms: D003276:Contraceptives, Oral / Q000008:administration & dosage*; D005260:Female; D006484:Hemorrhoids / Q000453:epidemiology*; D006801:Humans; D011446:Prospective Studies; D012017:Referral and Consultation / Q000706:statistics & numerical data; D014648:Varicose Veins / Q000453:epidemiology*
chemical_list: D003276:Contraceptives, Oral