Internal medicine

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	To oppose or discuss a nomination, please go to CZ:Proposed for deletion and follow the instructions. For the monthly nomination lists, see Category:Articles for deletion. Internal medicine is the medical specialty that deals with nonsurgical, nonobstetric diseases of adults. Its trained practitioners are called internists. Internists may be primary care providers practicing general internal medicine, or, with additional training, work in a variety of recognized secondary and tertiary specialties: Allergy and immunology Cardiology Endocrinology Gastroenterology Hematology and oncology Infectious disease Nephrology Pulmonology Certification Typical graduate medical education, to become eligible for board certification, lasts three years. United States In the U.S., the relevant specialty board is the American College of Physicians. Board-certified internists are Fellows of the American College of Physicians (FACP).