Authors: Tim C olde Hartman; Hiske van Ravesteijn; Peter Lucassen; Kees van Boven; Evelyn van Weel-Baumgarten; Chris van Weel Journal: Br J Gen Pract Date: 2011-12 Impact factor: 5.386
Authors: Alison Karasz; Christopher Dowrick; Richard Byng; Marta Buszewicz; Lucia Ferri; Tim C Olde Hartman; Sandra van Dulmen; Evelyn van Weel-Baumgarten; Joanne Reeve Journal: Br J Gen Pract Date: 2012-01 Impact factor: 5.386
Authors: Erick H Turner; Annette M Matthews; Eftihia Linardatos; Robert A Tell; Robert Rosenthal Journal: N Engl J Med Date: 2008-01-17 Impact factor: 91.245
Authors: Erica C G van Geffen; Helga Gardarsdottir; Rolf van Hulten; Liset van Dijk; Antoine C G Egberts; Eibert R Heerdink Journal: Br J Gen Pract Date: 2009-02 Impact factor: 5.386