Authors: B McKinstry; V Hammersley; C Burton; H Pinnock; R Elton; J Dowell; N Sawdon; D Heaney; G Elwyn; A Sheikh Journal: Qual Saf Health Care Date: 2010-04-29
Authors: John L Campbell; Nicky Britten; Colin Green; Tim A Holt; Valerie Lattimer; Suzanne H Richards; David A Richards; Chris Salisbury; Rod S Taylor; Emily Fletcher Journal: Trials Date: 2013-01-04 Impact factor: 2.279