Impact Factor
2.87
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.
Also available online via PubMedCentral.
v. 90, no. 1 (Jan. 2002)-Will not microfilm; 20040413