Causality assessment of adverse drug effects: when is rechallenge ethically acceptable?
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D001145:Arrhythmias, Cardiac / Q000139:chemically induced*; D004992:Ethics, Medical; D006634:Histamine H1 Antagonists / Q000009:adverse effects*; D006801:Humans; D016593:Terfenadine / Q000009:adverse effects / Q000031:analogs & derivatives*
D006634:Histamine H1 Antagonists; D016593:Terfenadine; C093230:fexofenadine