1. Volume 105, Issue 3, Pages 773-776 (March 1994)
Squamous Cell Carcinoma Antigen (SCC Ag) in the Diagnosis and Prognosis of Lung Cancer 
Julio Sanchez De Cos, M.D., Fernando Masa, M.D., Jose L. de la Cruz, M.D., Carlos Disdier, M.D., Carmen Vergara, M.D. 
CHEST 
Volume 105, Issue 3, Pages (March 1994)
DOI: /chest
Copyright © 1994 The American College of Chest Physicians Terms and Conditions

2. FIGURE 1
Kaplan-Meier survival curves for patients with squamous cell carcinoma. Curves represent patients with SGG Ag < 2.5 ng/ml (solid line) and patients with SCC Ag > 2.5 ng/ml (dashed line).
CHEST  , DOI: ( /chest )
Copyright © 1994 The American College of Chest Physicians Terms and Conditions