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Hermens RP, Ouwens MM, Vonk-Okhuijsen SY, van der Wel Y, Tjan-Heijnen VC, van den Broek LD, Ho VK, Janssen-Heijnen ML, Groen HJ, Grol RP, Wollersheim HC.Hermens RP, et al.Lung Cancer. 2006 Oct;54(1):117-24. doi: 10.1016/j.lungcan.2006.07.001. Epub 2006 Aug 21.Lung Cancer. 2006.PMID: 16920220