A subspecialty of internal medicine concerned with the study of the physiology and diseases of the digestive system and related structures (esophagus, liver, gallbladder, and pancreas).
Hepatology
D006666
History of Medicine
Study of past events and development in the field of Medicine.
Medicine, History,History Medicines,Medicine Histories,Medicines, History
D013502
General Surgery
A specialty in which manual or operative procedures are used in the treatment of disease, injuries, or deformities.
Surgery,Surgery, General
D014481
United States
A country in NORTH AMERICA between CANADA and MEXICO.