Authors: A Dijkstra; J M Vonk; H Jongepier; G H Koppelman; J P Schouten; N H T ten Hacken; W Timens; D S Postma Journal: Thorax Date: 2005-11-24 Impact factor: 9.139
Authors: P R Tirimanna; C P van Schayck; J J den Otter; C van Weel; C L van Herwaarden; G van den Boom; P M van Grunsven; W J van den Bosch Journal: Br J Gen Pract Date: 1996-05 Impact factor: 5.386
Authors: J J den Otter; G M Reijnen; W J van den Bosch; C P van Schayck; J Molema; C van Weel Journal: Br J Gen Pract Date: 1997-08 Impact factor: 5.386