Supplementary Table 1 from Serum Pepsinogens and Helicobacter pylori in Relation to the Risk of Esophageal Squamous Cell Carcinoma in the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study

Abstract
Supplementary Table 1 from Serum Pepsinogens and Helicobacter pylori in Relation to the Risk of Esophageal Squamous Cell Carcinoma in the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study