F A Anderson1. 1. Department of Surgery, University of Massachusetts Medical Center, Worcester, Massachusetts 01655-0333, USA. fred.anderson@ummed.edu.
Authors: J S Ginsberg; C Kearon; J Douketis; A G Turpie; P Brill-Edwards; P Stevens; A Panju; A Patel; M Crowther; M Andrew; P Massicotte; J Hirsh; J I Weitz Journal: Arch Intern Med Date: 1997-05-26