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van der Geld YG, Senan S, van Sörnsen de Koste JR, van Tinteren H, Slotman BJ, Underberg RW, Lagerwaard FJ.van der Geld YG, et al.Lung Cancer. 2006 Jul;53(1):31-7. doi: 10.1016/j.lungcan.2006.03.013. Epub 2006 May 12.Lung Cancer. 2006.PMID: 16698115