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Esposito-Festen J, Ijsselstijn H, Hop W, van Vliet F, de Jongste J, Tiddens H.Esposito-Festen J, et al. Among authors: hop w.Chest. 2006 Aug;130(2):487-92. doi: 10.1378/chest.130.2.487.Chest. 2006.PMID: 16899849
Spoel M, Laas R, Gischler SJ, Hop WJ, Tibboel D, de Jongste JC, Ijsselstijn H.Spoel M, et al.Eur Respir J. 2012 Dec;40(6):1531-7. doi: 10.1183/09031936.00189911. Epub 2012 Apr 10.Eur Respir J. 2012.PMID: 22496333Free article.
van der Giessen L, Loeve M, de Jongste J, Hop W, Tiddens H.van der Giessen L, et al. Among authors: hop w.Pediatr Pulmonol. 2009 Sep;44(9):859-65. doi: 10.1002/ppul.21004.Pediatr Pulmonol. 2009.PMID: 19670402Clinical Trial.
Ijsselstijn H, Tibboel D, Hop WJ, Molenaar JC, de Jongste JC.Ijsselstijn H, et al. Among authors: hop wj.Am J Respir Crit Care Med. 1997 Jan;155(1):174-80. doi: 10.1164/ajrccm.155.1.9001308.Am J Respir Crit Care Med. 1997.PMID: 9001308Free article.
Gabriele C, Hol J, Kerkhof E, Elink Schuurman BE, Samsom JN, Hop W, Nieuwenhuis EE, de Jongste JC.Gabriele C, et al. Among authors: hop w.Pediatr Allergy Immunol. 2008 Aug;19(5):420-5. doi: 10.1111/j.1399-3038.2007.00673.x. Epub 2008 Feb 5.Pediatr Allergy Immunol. 2008.PMID: 18266827
van der Giessen L, Bakker M, Joosten K, Hop W, Tiddens H.van der Giessen L, et al. Among authors: hop w.Pediatr Pulmonol. 2012 Nov;47(11):1123-30. doi: 10.1002/ppul.22537. Epub 2012 Mar 19.Pediatr Pulmonol. 2012.PMID: 22431492
Hol J, van Leer EH, Elink Schuurman BE, de Ruiter LF, Samsom JN, Hop W, Neijens HJ, de Jongste JC, Nieuwenhuis EE; Cow's Milk Allergy Modified by Elimination and Lactobacilli study group.Hol J, et al. Among authors: hop w.J Allergy Clin Immunol. 2008 Jun;121(6):1448-54. doi: 10.1016/j.jaci.2008.03.018. Epub 2008 Apr 24.J Allergy Clin Immunol. 2008.PMID: 18436293Clinical Trial.