Authors: Joel S Weissman; David Blumenthal; Alvin J Silk; Michael Newman; Kinga Zapert; Robert Leitman; Sandra Feibelmann Journal: Health Aff (Millwood) Date: 2004 Jan-Jun Impact factor: 6.301
Authors: Barbara Mintzes; Morris L Barer; Richard L Kravitz; Ken Bassett; Joel Lexchin; Arminée Kazanjian; Robert G Evans; Richard Pan; Stephen A Marion Journal: CMAJ Date: 2003-09-02 Impact factor: 8.262