Authors: M R Antani; R J Beyth; K E Covinsky; P A Anderson; D G Miller; R D Cebul; L M Quinn; C S Landefeld Journal: J Gen Intern Med Date: 1996-12 Impact factor: 5.128
Authors: M Z Solomon; L O'Donnell; B Jennings; V Guilfoy; S M Wolf; K Nolan; R Jackson; D Koch-Weser; S Donnelley Journal: Am J Public Health Date: 1993-01 Impact factor: 9.308