The diagnostic accuracy of endoscopy of the oesophagus and stomach with and without histology.
D001706:Biopsy; D004935:Esophageal Diseases / Q000175:diagnosis; D004938:Esophageal Neoplasms / Q000175:diagnosis; D004945:Esophagoscopy; D005773:Gastroscopy; D006801:Humans; D008722:Methods; D013272:Stomach Diseases / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis