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Falk, Stephen J., David J. Girling, Roger J. White, Penelope Hopwood, Angela Harvey, Wendi Qian, και Richard J. Stephens. Immediate Versus Delayed Palliative Thoracic Radiotherapy in Patients With Unresectable Locally Advanced Non-small Cell Lung Cancer and Minimal Thoracic Symptoms: Randomised Controlled Trial. BMJ, 2002.

Falk, Stephen J., et al. Immediate Versus Delayed Palliative Thoracic Radiotherapy in Patients With Unresectable Locally Advanced Non-small Cell Lung Cancer and Minimal Thoracic Symptoms: Randomised Controlled Trial. BMJ, 2002.