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Kurzman ID, MacEwen EG, Rosenthal RC, Fox LE, Keller ET, Helfand SC, Vail DM, Dubielzig RR, Madewell BR, Rodriguez CO Jr, et al.Kurzman ID, et al. Among authors: keller et.Clin Cancer Res. 1995 Dec;1(12):1595-601.Clin Cancer Res. 1995.PMID: 9815961Clinical Trial.
Keller ET, MacEwen EG, Rosenthal RC, Helfand SC, Fox LE.Keller ET, et al.J Vet Intern Med. 1993 Sep-Oct;7(5):289-95. doi: 10.1111/j.1939-1676.1993.tb01021.x.J Vet Intern Med. 1993.PMID: 8263847Free article.
MacEwen EG, Kurzman ID, Helfand S, Vail D, London C, Kisseberth W, Rosenthal RC, Fox LE, Keller ET, Obradovich J, et al.MacEwen EG, et al. Among authors: keller et.J Drug Target. 1994;2(5):391-6. doi: 10.3109/10611869408996814.J Drug Target. 1994.PMID: 7704483Clinical Trial.