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van Hagen P, Spaander MC, van der Gaast A, van Rij CM, Tilanus HW, van Lanschot JJ, Wijnhoven BP; Rotterdam Oesophageal Tumour Study Group.van Hagen P, et al. Among authors: spaander mc.Int J Clin Oncol. 2013 Apr;18(2):214-9. doi: 10.1007/s10147-011-0362-8. Epub 2011 Dec 23.Int J Clin Oncol. 2013.PMID: 22193638