National Pharmaceutical Services, a division of Pharmaceutical Technologies, Inc is the Pharmacy Benefit Manager (PBM) used by Target Group LLC.  For additional information about PTI-NPS visit www.pti-nps.com.   The National Library of Medicine (NLM), on the campus of the National Institutes of Health in Bethesda, Maryland, is the world's largest medical library. The Library collects materials and provides information and research services in all areas of biomedicine and health care. For additional information about NLM visit www.nlm.nih.gov.     The National Institutes of Health (NIH), a part of the U.S. Department of Health and Human Services, is the primary Federal agency for conducting and supporting medical research.The National Institute of Health web site is www.nih.com.