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Boudewyns A, Grillier-Lanoir V, Willemen MJ, De Cock WA, Van de Heyning PH, De Backer WA.Boudewyns A, et al. Among authors: de cock wa.Thorax. 1999 Feb;54(2):147-9. doi: 10.1136/thx.54.2.147.Thorax. 1999.PMID: 10325921Free PMC article.
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Verbraecken J, De Backer W, Willemen M, De Cock W, Wittesaele W, Van de Heyning.Verbraecken J, et al.Respir Physiol. 1995 Sep;101(3):279-87. doi: 10.1016/0034-5687(95)00037-e.Respir Physiol. 1995.PMID: 8607000Clinical Trial.
Boudewyns A, De Cock W, Willemen M, Wagemans M, De Backer W, Van de Heyning PH.Boudewyns A, et al.Eur Respir J. 1997 Jan;10(1):129-32. doi: 10.1183/09031936.97.10010129.Eur Respir J. 1997.PMID: 9032504Free article.
Verbraecken J, Willemen M, Geldhof J, De Cock W, Van de Heyning P, De Backer W.Verbraecken J, et al.Acta Clin Belg. 1998 Apr;53(2):105-13. doi: 10.1080/17843286.1998.11754152.Acta Clin Belg. 1998.PMID: 9639949Dutch.
Verbraecken J, Willemen M, De Cock W, Coen E, Van de Heyning P, De Backer W.Verbraecken J, et al.Respir Physiol. 1998 Apr;112(1):59-70. doi: 10.1016/s0034-5687(98)00010-3.Respir Physiol. 1998.PMID: 9696283Clinical Trial.
Verbraecken J, Willemen M, De Cock W, Van de Heyning P, De Backer W.Verbraecken J, et al.Respir Physiol. 1998 Nov;114(2):185-94. doi: 10.1016/s0034-5687(98)00090-5.Respir Physiol. 1998.PMID: 9865592
Boudewyns A, Willemen M, Wagemans M, De Cock W, Van de Heyning P, De Backer W.Boudewyns A, et al.Sleep. 1997 Feb;20(2):168-70. doi: 10.1093/sleep/20.2.168.Sleep. 1997.PMID: 9143078
Boudewyns A, Willemen M, De Cock W, Verbraecken J, Coen E, Wagemans M, De Backer W, Van de Heyning PH.Boudewyns A, et al.Clin Otolaryngol Allied Sci. 1997 Oct;22(5):403-7. doi: 10.1046/j.1365-2273.1997.d01-352.x.Clin Otolaryngol Allied Sci. 1997.PMID: 9372249No abstract available.