Authors: Debra Parker Oliver; Elaine Wittenberg-Lyles; Karla Washington; Robin L Kruse; David L Albright; Paula K Baldwin; Amy Boxer; George Demiris Journal: J Pain Symptom Manage Date: 2013-05-31 Impact factor: 3.612
Authors: Clare Ellis-Smith; Catherine J Evans; Anna E Bone; Lesley A Henson; Mendwas Dzingina; Pauline M Kane; Irene J Higginson; Barbara A Daveson Journal: BMC Med Date: 2016-02-26 Impact factor: 8.775