Diseases involving the digestive system

5-20 DISEASES OF THE SALIVARY GLANDS

5-21 DISEASES OF THE ORAL SOFT TISSUES

5-22 DISEASES OF THE LIPS

5-23 DISEASES OF THE TONGUE

5-30 DISEASES OF THE ESOPHAGUS

5-32-33 DISEASES OF THE STOMACH

5-34 DISEASES OF THE DUODENUM

5-40-45 DISEASES OF THE INTESTINAL TRACT

5-46 DISEASES OF THE APPENDIX

5-47 MALABSORPTION SYNDROMES

5-80-81 DISEASES OF THE LIVER

5-85-86 DISEASES OF THE GALLBLADDER AND BILE DUCTS