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Bhatt AD. Clinical research on Ayurvedic therapies: myths, realities, and challenges. Journal of the Associated Physicians of India. 2001;49:558-562.

Centers for Disease Control and Prevention. Lead poisoning associated with Ayurvedic medications--five states, 2000-2003. Morbidity and Mortality Weekly Report. 2004;53(26):582-584.

Centers for Disease Control and Prevention. Agency for Toxic Substances and Disease Registry. Lead Toxicity: Physiologic Effects. Agency for Toxic Substances and Disease Registry Web site. Accessed on September 1, 2005.

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For More Information See:

NCCAM Clearinghouse
The NCCAM Clearinghouse provides information on CAM and on NCCAM, including publications and database searches. Among its publications are "Herbal Supplements: Consider Safety, Too" and "Selecting a CAM Practitioner." The Clearinghouse does not provide medical advice, treatment recommendations, or referrals to practitioners.
Toll-free in the U.S.: 1-888-644-6226
TTY (for deaf and hard-of-hearing callers): 1-866-464-3615
Web site: nccam.nih.gov
E-mail: info@nccam.nih.gov

PubMed
A service of the National Library of Medicine (NLM), PubMed contains publication information and (in most cases) abstracts of articles from biomedical journals. CAM on PubMed, developed jointly by NCCAM and NLM, is a subset of NLM's PubMed system and focuses on the topic of CAM.
PubMed Web site: www.ncbi.nlm.nih.gov/entrez
CAM on PubMed: www.nlm.nih.gov/nccam/camonpubmed.html

MedlinePlus
A National Library of Medicine Web site, MedlinePlus provides extensive information about drugs, an illustrated medical encyclopedia, patient tutorials, and the latest health news.
Web site: www.medlineplus.gov

CRISP (Computer Retrieval of Information on Scientific Projects)
CRISP is a database of federally funded biomedical research projects. It is one source (in addition to ClinicalTrials.gov) for finding out about NIH-sponsored studies on therapies that are part of Ayurveda.
Web site: www.crisp.cit.nih.gov