Part 1: Introduction to Clinical Medicine Part 2: Cardinal Manifestations and Presentation of Diseases Part 3: Genetics and Disease Part 4: Regenerative Medicine Part 5: Nutrition Part 6: Oncology and Hematology Part 7: Infectious Diseases Part 13: Disorders of the Gastrointestinal System Part 14: Disorders of the Immune System, Connective Tissue, and Joints Part 15: Endocrinology and Metabolism Part 16: Neurologic Disorders Part 17: Poisoning, Drug Overdose, and Envenomation Part 18: e-Chapters from International Advisory Editors.