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