Authors: S M Shortell; J L O'Brien; J M Carman; R W Foster; E F Hughes; H Boerstler; E J O'Connor Journal: Health Serv Res Date: 1995-06 Impact factor: 3.402
Authors: Anne Marie Rafferty; Sean P Clarke; James Coles; Jane Ball; Philip James; Martin McKee; Linda H Aiken Journal: Int J Nurs Stud Date: 2006-10-24 Impact factor: 5.837