Authors: Frank van Hees; Ann G Zauber; Harriët van Veldhuizen; Marie-Louise A Heijnen; Corine Penning; Harry J de Koning; Marjolein van Ballegooijen; Iris Lansdorp-Vogelaar Journal: Gut Date: 2015-06-10 Impact factor: 23.059
Authors: P G Warmerdam; H J de Koning; R Boer; P M Beemsterboer; M L Dierks; E Swart; B P Robra Journal: J Epidemiol Community Health Date: 1997-04 Impact factor: 3.710