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Helfrich BA, Raben D, Varella-Garcia M, Gustafson D, Chan DC, Bemis L, Coldren C, Barón A, Zeng C, Franklin WA, Hirsch FR, Gazdar A, Minna J, Bunn PA Jr.Helfrich BA, et al. Among authors: raben d.Clin Cancer Res. 2006 Dec 1;12(23):7117-25. doi: 10.1158/1078-0432.CCR-06-0760.Clin Cancer Res. 2006.PMID: 17145836