Impact Factor
3.73
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
Recent article records with DOI-first linking and condensed abstracts.
Title from BioMed Central archive volume screen (viewed on Feb. 20, 2002).
Articles are added consecutively to the current annual v.
Text (electronic journal) in HTML and PDF formats.
System requirements: Internet connectivity, World Wide Web browser, and Adobe Acrobat reader.
Mode of access: Internet.