Letter to the Editor
USP suspected herbal hepatotoxicity: Quality of causality assessment is more important than quantity of counted cases, not vice versa
R. Teschke, Division of Gastroenterology and Hepatology, Department of Internal Medicine II, Klinikum Hanau, Academic Teaching Hospital of the Medical Faculty of the Goethe University Frankfurt/Main, Germany. E-mail: email@example.com
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