Authors: H A Ashton; M J Buxton; N E Day; L G Kim; T M Marteau; R A P Scott; S G Thompson; N M Walker Journal: Lancet Date: 2002-11-16 Impact factor: 79.321
Authors: Gillian M Paul; Susan M Smith; David L Whitford; Eamon O'Shea; Fergus O'Kelly; Tom O'Dowd Journal: BMC Fam Pract Date: 2007-07-31 Impact factor: 2.497