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Schröder CP, Wisman GB, de Jong S, van der Graaf WT, Ruiters MH, Mulder NH, de Leij LF, van der Zee AG, de Vries EG.Schröder CP, et al. Among authors: de leij lf, de vries eg, de jong s.Br J Cancer. 2001 May 18;84(10):1348-53. doi: 10.1054/bjoc.2001.1803.Br J Cancer. 2001.PMID: 11355946Free PMC article.Clinical Trial.