title: A tale of two label changes.
authors.affiliation: 218 Wallace Hall, Office of Population Research, Princeton University, Princeton NJ 08648. Electronic address: kcleland@princeton.edu.
authors.forename: Kelly
authors.initials: K
authors.lastname: Cleland
authors.affiliation: Jacobs Institute of Women's Health, School of Public Health and Health Services, The George Washington University. Electronic address: sfwood@gwu.edu.
authors.forename: Susan
authors.initials: S
authors.lastname: Wood
mesh_terms: D001835:Body Weight; D044363:Contraception, Postcoital / Q000379:methods* / Q000592:standards; D005062:European Union; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000008:administration & dosage*; D010353:Patient Education as Topic; D011356:Product Labeling; D014481:United States
chemical_list: D016912:Levonorgestrel