ROAD resources covered by MEDLINE:"Medline"

Category of service: indexing and abstracting database

Owner:  U.S. National Library of Medicine

URL: MEDLINE is the primary component of PubMed (

Presentation: MEDLINE is the U.S. National Library of Medicine® (NLM) premier bibliographic database that contains over 21 million references to journal articles. MEDLINE is the online counterpart to MEDLARS® (MEDical Literature Analysis and Retrieval System) that originated in 1964.

Disciplines covered: life sciences with a concentration on biomedicine

Type of resources covered: scholarly journals; a small number of newspapers, magazines, and newsletters considered useful to particular segments of the NLM broad user community are also included.

Geographic coverage: international

Time coverage: generally 1946 to the present, with some older material.

Number of publications covered:  5,600 worldwide journals in about 40 languages; about 60 languages for older journals.

Number of records in the database: 21 million references to journal articles.

Selection criteria:

More information about MEDLINE:


Last update: August 2014