Authors: John Macleod; Rachel Oakes; Alex Copello; Ilana Crome; Matthias Egger; Mathew Hickman; Thomas Oppenkowski; Helen Stokes-Lampard; George Davey Smith Journal: Lancet Date: 2004-05-15 Impact factor: 79.321
Authors: Daniel Fuster; Debbie M Cheng; Donald Allensworth-Davies; Tibor P Palfai; Jeffrey H Samet; Richard Saitz Journal: J Gen Intern Med Date: 2013-09-19 Impact factor: 5.128