Hospitalists: Physicians who are employed to work exclusively in hospital settings, primarily for managed care organizations. They are the attending or primary responsible physician for the patient during hospitalization.Hospital Medicine: The branch of medicine concerned with the delivery of comprehensive medical care to hospitalized patients. Practitioners include physicians and non-physician providers who engage in clinical care, teaching, research, or leadership in the field of general hospital medicine.(from http://www.hospitalmedicine.org/AM/Template.cfm?Section=Hospitalist_Definition)Institutional Practice: Professional practice as an employee or contractee of a health care institution.Hospital-Physician Relations: Includes relationships between hospitals, their governing boards, and administrators in regard to physicians, whether or not the physicians are members of the medical staff or have medical staff privileges.Academic Medical Centers: Medical complexes consisting of medical school, hospitals, clinics, libraries, administrative facilities, etc.Career Mobility: The upward or downward mobility in an occupation or the change from one occupation to another.Pediatrics: A medical specialty concerned with maintaining health and providing medical care to children from birth to adolescence.Efficiency: Ratio of output to effort, or the ratio of effort produced to energy expended.Hospitals, Community: Institutions with permanent facilities and organized medical staff which provide the full range of hospital services primarily to a neighborhood area.Internal Medicine: A medical specialty concerned with the diagnosis and treatment of diseases of the internal organ systems of adults.Patient Care: The services rendered by members of the health profession and non-professionals under their supervision.Professional Autonomy: The quality or state of being independent and self-directing, especially in making decisions, enabling professionals to exercise judgment as they see fit during the performance of their jobs.Length of Stay: The period of confinement of a patient to a hospital or other health facility.Mentors: Senior professionals who provide guidance, direction and support to those persons desirous of improvement in academic positions, administrative positions or other career development situations.Patient Readmission: Subsequent admissions of a patient to a hospital or other health care institution for treatment.Bronchiolitis: Inflammation of the BRONCHIOLES.Hospital Costs: The expenses incurred by a hospital in providing care. The hospital costs attributed to a particular patient care episode include the direct costs plus an appropriate proportion of the overhead for administration, personnel, building maintenance, equipment, etc. Hospital costs are one of the factors which determine HOSPITAL CHARGES (the price the hospital sets for its services).Patient Discharge: The administrative process of discharging the patient, alive or dead, from hospitals or other health facilities.Hospitals, Teaching: Hospitals engaged in educational and research programs, as well as providing medical care to the patients.Quality of Health Care: The levels of excellence which characterize the health service or health care provided based on accepted standards of quality.