Tannin and oesophageal cancer.
D004938:Esophageal Neoplasms / Q000139:chemically induced*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013634:Tannins / Q000009:adverse effects*; D013662:Tea / Q000009:adverse effects
D013634:Tannins; D013662:Tea