Authors: Paul Masotti; M Anne George; Karen Szala-Meneok; A Michel Morton; Christine Loock; Marilyn Van Bibber; Jennifer Ranford; Michael Fleming; Stuart MacLeod Journal: PLoS Med Date: 2006-01-10 Impact factor: 11.069
Authors: Carolyn Shimmin; Kristy D M Wittmeier; Josée G Lavoie; Evan D Wicklund; Kathryn M Sibley Journal: BMC Health Serv Res Date: 2017-08-07 Impact factor: 2.655