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In the May 19 issue of The Journal (239:2157, 1978), the last sentence under "Materials, Methods, and Results" in the CLINICAL NOTE "Burdock Root Tea Poisoning: Case Report Involveing a Commercial Preparation" should have indicated that quantitative analysis of a commercial preparation of burdock root tea by the Food and Drug Administration indicated an atropine concentration of more than 30 mg/g, not 300 mg/g.
Burdock Root Tea. JAMA. 1979;241(8):792. doi:10.1001/jama.1979.03290340016015