Impact Factor
4.53
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.
Print issues ceased with v. 58 (2015).
Also available to subscribers via the World Wide Web; full-text in PDF, tables of contents and abstracts in HTML.