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Vahrmeijer AL, Snel CA, Steenvoorden DP, Beijnen JH, Pang KS, Schutrups J, Tirona R, Keizer HJ, van Dierendonck JH, van de Velde CJ, Mulder GJ.Vahrmeijer AL, et al. Among authors: keizer hj.Cancer Res. 1996 Oct 15;56(20):4709-14.Cancer Res. 1996.PMID: 8840988Clinical Trial.
Marinelli A, de Brauw LM, Beerman H, Keizer HJ, van Bockel JH, Tjaden UR, van de Velde CJ.Marinelli A, et al. Among authors: keizer hj.Jpn J Clin Oncol. 1996 Oct;26(5):341-50. doi: 10.1093/oxfordjournals.jjco.a023243.Jpn J Clin Oncol. 1996.PMID: 8895675Clinical Trial.
Songun I, Keizer HJ, Hermans J, Klementschitsch P, de Vries JE, Wils JA, van der Bijl J, van Krieken JH, van de Velde CJ.Songun I, et al. Among authors: keizer hj.Eur J Cancer. 1999 Apr;35(4):558-62. doi: 10.1016/s0959-8049(98)00429-8.Eur J Cancer. 1999.PMID: 10492627Clinical Trial.