Introductory Chapter on Alternative Medicine with focus on Herbs and Dietary Supplements. Tsourounis C, Dennehy C.. Handbook of Nonprescription Drugs. Introductory Chapter on Alternative Medicine with focus on Herbs and Dietary Supplements. 2011. 2011 https://researcherprofiles.org/profile/428768879 Tsourounis C, Dennehy C.