Effects on Quality of Life With Zinc Supplementation in Patients With Gastrointestinal Cancer

Conditions:   Gastric Carcinoma;   Liver and Intrahepatic Bile Duct Carcinoma;   Unresectable Esophageal Carcinoma;   Unresectable Pancreatic Carcinoma
Intervention:   Dietary Supplement: Zinc
Sponsor:   Emory University
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