Acquisition, organization, and preparation of library materials for use, including selection, weeding, cataloging, classification, and preservation.

A large collection of DNA fragments cloned (CLONING, MOLECULAR) from a given organism, tissue, organ, or cell type. It may contain complete genomic sequences (GENOMIC LIBRARY) or complementary DNA sequences, the latter being formed from messenger RNA and lacking intron sequences.

'Medical Libraries' are repositories or digital platforms that accumulate, organize, and provide access to a wide range of biomedical information resources including but not limited to books, journals, electronic databases, multimedia materials, and other evidence-based health data for the purpose of supporting and advancing clinical practice, education, research, and administration in healthcare.

Collections of systematically acquired and organized information resources, and usually providing assistance to users. (ERIC Thesaurus, http://www.eric.ed.gov/ accessed 2/1/2008)

Services offered to the library user. They include reference and circulation.

The degree to which individuals are inhibited or facilitated in their ability to gain entry to and to receive care and services from the health care system. Factors influencing this ability include geographic, architectural, transportational, and financial considerations, among others.

Services for the diagnosis and treatment of disease and the maintenance of health.