APA

Clark G. M., Zborowski D. M., Santabarbara P., Ding K., Whitehead M., Seymour L. & Shepherd F. A. (20070205). Smoking history and epidermal growth factor receptor expression as predictors of survival benefit from erlotinib for patients with non-small-cell lung cancer in the National Cancer Institute of Canada Clinical Trials Group study BR.21. : Clinical lung cancer.

Chicago

Clark Gary M, Zborowski Denni M, Santabarbara Pedro, Ding Keyue, Whitehead Marlo, Seymour Lesley and Shepherd Frances A. 20070205. Smoking history and epidermal growth factor receptor expression as predictors of survival benefit from erlotinib for patients with non-small-cell lung cancer in the National Cancer Institute of Canada Clinical Trials Group study BR.21. : Clinical lung cancer.

Harvard

Clark G. M., Zborowski D. M., Santabarbara P., Ding K., Whitehead M., Seymour L. and Shepherd F. A. (20070205). Smoking history and epidermal growth factor receptor expression as predictors of survival benefit from erlotinib for patients with non-small-cell lung cancer in the National Cancer Institute of Canada Clinical Trials Group study BR.21. : Clinical lung cancer.

MLA

Clark Gary M, Zborowski Denni M, Santabarbara Pedro, Ding Keyue, Whitehead Marlo, Seymour Lesley and Shepherd Frances A. Smoking history and epidermal growth factor receptor expression as predictors of survival benefit from erlotinib for patients with non-small-cell lung cancer in the National Cancer Institute of Canada Clinical Trials Group study BR.21. : Clinical lung cancer. 20070205.