Impact Factor
4.40
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 PDF caption (publisher's Web site, viewed June 3, 2005).
Articles are listed in PubMed and archived at PubMed Central.
Latest issue consulted: 1:8 (10 May 2005) (viewed June 3, 2005).
Articles added consecutively to current annual volume.
Mode of access: World Wide Web