Impact Factor
4.51
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 Aug. 16, 2002).
Articles are added consecutively to the current annual volume.
Text (electronic journal) available in HTML and PDF formats.
System requirements: Adobe Acrobat Reader.
Mode of access: Internet.