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Pijpe J, Broers GH, Plaat BE, Hundeiker M, Otto F, Mastik MF, Hoekstra HJ, van der Graaf WT, Berg Ev, Molenaar WM.Pijpe J, et al. Among authors: hoekstra hj.Sarcoma. 2002;6(3):105-10. doi: 10.1080/1357714021000065404.Sarcoma. 2002.PMID: 18521340Free PMC article.