Authors: H J Waalkens; P J Merkus; E E van Essen-Zandvliet; P L Brand; J Gerritsen; E J Duiverman; K F Kerrebijn; K K Knol; P H Quanjer Journal: Eur Respir J Date: 1993-05 Impact factor: 16.671
Authors: P L Brand; H A Kerstjens; D S Postma; P J Sterk; P H Quanjer; H J Sluiter; J H Dijkman; C L van Herwaarden; C Hilvering; H M Jansen Journal: Eur Respir J Date: 1992-01 Impact factor: 16.671