Authors: Saul N Weingart; Roger B Davis; R Heather Palmer; Michael Cahalane; Mary Beth Hamel; Kenneth Mukamal; Russell S Phillips; Donald T Davies; Lisa I Iezzoni Journal: Health Serv Res Date: 2002-04 Impact factor: 3.402
Authors: Jack Needleman; Peter I Buerhaus; Soeren Mattke; Maureen Stewart; Katya Zelevinsky Journal: Health Serv Res Date: 2003-12 Impact factor: 3.402