Ulcer and cancer of oesophagus, stomach, duodenum and pancreas.
McGREGOR
L
L
D004064:Digestive System; D004067:Digestive System Neoplasms; D004386:Duodenum; D004938:Esophageal Neoplasms; D006801:Humans; D013270:Stomach; D014456:Ulcer