主题词：Liver Disease Diagnosis and Treatment; Liver Disease and Transplantation; Hepatitis C virus research; Hepatocellular Carcinoma Treatment and Prognosis; Hepatitis B Virus Studies; Organ Transplantation Techniques and Outcomes; Liver Diseases and Immunity; Liver physiology and pathology; Alcohol Consumption and Health Effects; Drug-Induced Hepatotoxicity and Protection; Hepatitis Viruses Studies and Epidemiology; Diet, Metabolism, and Disease; Cholangiocarcinoma and Gallbladder Cancer Studies; Gallbladder and Bile Duct Disorders; Pediatric Hepatobiliary Diseases and Treatments; Nutrition and Health in Aging; Pancreatitis Pathology and Treatment; Diabetes, Cardiovascular Risks, and Lipoproteins; Gut microbiota and health; Pancreatic and Hepatic Oncology Research; Renal Transplantation Outcomes and Treatments; COVID-19 Clinical Research Studies; Diet and metabolism studies; HIV/AIDS drug development and treatment; Drug Transport and Resistance Mechanisms