Impact Factor
3.99
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 cover.
Latest issue consulted: Vol. 16, no. 2 (Apr. 2006).
Supplements accompany some issues.
Also issued online, subscription required for full-text online access; scroll to bottom of page.