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Ng R, Hasan B, Mittmann N, Florescu M, Shepherd FA, Ding K, Butts CA, Cormier Y, Darling G, Goss GD, Inculet R, Seymour L, Winton TL, Evans WK, Leighl NB; Working Group on Economic Analysis; Lung Disease Site Group; National Cancer Institute of Canada Clinical Trials Group.Ng R, et al. Among authors: leighl nb.J Clin Oncol. 2007 Jun 1;25(16):2256-61. doi: 10.1200/JCO.2006.09.4342.J Clin Oncol. 2007.PMID: 17538170Clinical Trial.