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Visscher DW, Nanjia-Makker P, Heppner G, Shekhar PV.Visscher DW, et al. Among authors: shekhar pv.Breast Cancer Res Treat. 2001 Jan;65(1):41-7. doi: 10.1023/a:1006490000659.Breast Cancer Res Treat. 2001.PMID: 11245338