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van Schooten FJ, van Leeuwen FE, Hillebrand MJ, de Rijke ME, Hart AA, van Veen HG, Oosterink S, Kriek E.van Schooten FJ, et al. Among authors: hart aa.J Natl Cancer Inst. 1990 Jun 6;82(11):927-33. doi: 10.1093/jnci/82.11.927.J Natl Cancer Inst. 1990.PMID: 2111410
Michalides R, van Veelen N, Hart A, Loftus B, Wientjens E, Balm A.Michalides R, et al.Cancer Res. 1995 Mar 1;55(5):975-8.Cancer Res. 1995.PMID: 7867006