Authors: Sheila Leatherman; Donald Berwick; Debra Iles; Lawrence S Lewin; Frank Davidoff; Thomas Nolan; Maureen Bisognano Journal: Health Aff (Millwood) Date: 2003 Mar-Apr Impact factor: 6.301
Authors: Henk Schers; Sophie Webster; Henk van den Hoogen; Anthony Avery; Richard Grol; Wil van den Bosch Journal: Br J Gen Pract Date: 2002-06 Impact factor: 5.386