1. Lymph node ratio as a prognostic factor in elderly patients with pathological N1 non-small cell lung cancer. Issue 4 (2nd December 2010) Authors: Wisnivesky, Juan P; Arciniega, Jacqueline; Mhango, Grace; Mandeli, John; Halm, Ethan A Journal: Thorax Issue: Volume 66:Issue 4(2011) Page Start: 287 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗