books.google.com - This book focuses on efficacy, toxicity, drug interactions, and abnormal clinical laboratory tests resulting from the use of herbal remedies. Although a few herbal remedies are safe and have efficacy (for example saw palmetto), many herbal remedies are toxic. This book guides in the interpretation of...http://books.google.com/books/about/Herbal_Supplements.html?id=oNrIvxlFG1sC&utm_source=gb-gplus-shareHerbal Supplements
