Bethesda Federal Government Libraries 8600 Rockville Pike # 2s10 The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world's largest medical library. It collects materials in all major areas of the health sciences and to a lesser degree in such areas as chemistry, physics, botany and zoology. The collections stand at 5 million items--books, journals, technical reports, manuscripts, microfilms, photographs and images. Housed within the Library is one of the world's finest medical history collections of old (pre-1914) and rare medical texts, manuscripts, and incunabula. Bethesda MD Federal Government Libraries National Library Of Medicine www.nlm.nih.gov National Library of Medicine MEDLINE MEDLARS LocatorPlus MedlinePlus NLM Grateful Med Index Medicus UMLS Unified Medical Language System Metathesaurus Mesh Medical Subject Headings AIDSLINE Healthstar Visible Human PubMed ClinicalTr National Library of Medicine MEDLINE MEDLARS LocatorPlus MedlinePlus NLM Grateful Med Index Medicus UMLS Unified Medical Language System Metathesaurus Mesh Medical Subject Headings AIDSLINE Healthstar Visible Human PubMed ClinicalTr Business Reviews National Library Of Medicine Testimonials