Impact Factor
3.98
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.
Description based on: 2008, 34:1; title from caption (publisher's Web site, viewed July 27, 2009).
Latest issue consulted: 2009, 35:22 (viewed July 27, 2009).