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Margolin KA, Liu PY, Unger JM, Fletcher WS, Flaherty LE, Urba WJ, Hersh EM, Hutchins LE, Sosman JA, Smith JW, Weiss GR, Sondak VK.Margolin KA, et al. Among authors: fletcher ws.J Cancer Res Clin Oncol. 1999;125(5):292-6. doi: 10.1007/s004320050276.J Cancer Res Clin Oncol. 1999.PMID: 10359134Free article.Clinical Trial.