title: Serious adverse events in Norplant users related to the Food and Drug Administration's MedWatch Spontaneous Reporting System.
authors.forename: R A
authors.initials: RA
authors.lastname: Chez
mesh_terms: D016907:Adverse Drug Reaction Reporting Systems; D006801:Humans; D016912:Levonorgestrel / Q000009:adverse effects*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D016912:Levonorgestrel