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Editor's Correspondence
February 13, 2006

Studies on Natural Products

Arch Intern Med. 2006;166(3):370-371. doi:10.1001/archinte.166.3.370-b

As part of an Institute of Medicine project, my colleagues and I recently reviewed the literature on the effects of Ginkgo on acute mountain sickness, thus we were eager to read the recent article by Chow et al.1 The methods of the study raise some concerns and bring to the fore several recurring issues in research on natural products.2