Authors: J Vidal-Alaball; C C Butler; R Cannings-John; A Goringe; K Hood; A McCaddon; I McDowell; A Papaioannou Journal: Cochrane Database Syst Rev Date: 2005-07-20
Authors: Christopher C Butler; Josep Vidal-Alaball; Rebecca Cannings-John; Andrew McCaddon; Kerenza Hood; Alexandra Papaioannou; Ian Mcdowell; Andrew Goringe Journal: Fam Pract Date: 2006-04-03 Impact factor: 2.267