TY - CHAP M1 - Book, Section TI - Vitamins and Herbals A1 - Villano, Janna H. A2 - Cydulka, Rita K. A2 - Fitch, Michael T. A2 - Joing, Scott A. A2 - Wang, Vincent J. A2 - Cline, David M. A2 - Ma, O. John PY - 2017 T2 - Tintinalli's Emergency Medicine Manual, 8e AB - Over-the-counter vitamin and herbal preparations are widely used and considered innocuous by most of the public. Many of these products, however, can produce significant toxicity, especially if used in excess. In addition, many patients neglect to mention or are reluctant to divulge that they are taking these products. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/11/05 UR - accessemergencymedicine.mhmedical.com/content.aspx?aid=1143143129 ER -