Impact Factor
4.28
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 home page (viewed Feb. 10, 2003).
Individual articles are numbered with volume and article number, on BioMed Central, e.g., 1:1; with volume, issue, and article number on PubMed Central, e.g. 1(1):1.
Mode of access: World Wide Web (HTML and PDF formats).