title: Alesse: leading the shift to 20 microg.
authors.forename: D F
authors.initials: DF
authors.lastname: Archer
mesh_terms: D002318:Cardiovascular Diseases / Q000139:chemically induced; D003271:Contraceptive Agents, Female / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D003280:Contraceptives, Oral, Synthetic / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D004305:Dose-Response Relationship, Drug; D045166:Estradiol Congeners / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D004997:Ethinyl Estradiol / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D006801:Humans; D016912:Levonorgestrel / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use
chemical_list: D003271:Contraceptive Agents, Female; D003280:Contraceptives, Oral, Synthetic; D045166:Estradiol Congeners; D004997:Ethinyl Estradiol; D016912:Levonorgestrel