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physician assistant
physician assistant (PA), health-care professional who provides patient services ranging from taking medical histories and doing physical examinations to performing minor surgical procedures; often called physician's assistant. Physician assistants work under the supervision of a physician, who can...
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Emil Adolph von Behring
Emil Adolph von Behring , 1854-1917, German physician. He worked with Kitasato at Koch's laboratory in Berlin and from 1895 was professor of hygiene at Marburg. A pioneer in serum therapy, following the work of P. P. É. Roux, he demonstrated immunization against diphtheria (1890) and tetanus ...
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Belleville
Belleville city (1991 pop. 37,243), SE Ont., Canada, on Lake Ontario. Machinery, automotive accessories, optical lenses, and cheddar cheese are made there. Belleville is the seat of Albert College and the Ontario School for the Deaf.
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Lake Huron
Lake Huron hyoor´än&180; , 23,010 sq mi (59,596 sq km), 206 mi (332 km) long and 183 mi (295 km) at its greatest width, between Ont., Canada, and Mich.; second largest of the Great Lakes . It has a surface elevation of 580 ft (177 m) above sea level and a maximum depth of 750 ft (22...
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Louis Joseph Papineau
Louis Joseph Papineau , 1786-1871, French Canadian political leader and insurgent, b. Montreal. After serving as an officer in the War of 1812, he entered (1814) the Legislative Assembly of Lower Canada (Quebec), of which he was (1815-37) speaker. Eloquent and able, he soon became leader of the Fren...
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Medicaid
Medicaid national health insurance program in the United States for low-income persons; established in 1965 with passage of the Social Security Amendments and now run by the Centers for Medicare and Medicaid Services. The federal role in Medicaid is limited to setting standards, issuing regulations...
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Lake Superior
Lake Superior largest freshwater lake in the world, 31,820 sq mi (82,414 sq km), 350 mi (563 km) long and 160 mi (257 km) at its greatest width, bordered on the W by NE Minnesota, on the N and E by Ontario, Canada, and on the S by NW Michigan and NW Wisconsin; largest, highest, and deepest of the ...
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Agnes Campbell Macphail
Agnes Campbell Macphail , 1890-1954, Canadian legislator, b. Ontario. She was elected (1921) to the Canadian House of Commons as a representative of the United Farmers of Ontario and Labor, the first woman in Canada to enter Parliament; she served until her defeat in 1940. She later became a member ...
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Port Hope
Port Hope town (1991 pop. 11,505), SE Ont., Canada, on Lake Ontario, E of Toronto. It has a large plant for refining uranium ore and is a summer resort.
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Ontario
Ontario , province (2001 pop. 11,410,046), 412,582 sq mi (1,068,587 sq km), E central Canada.
Land and People
Ontario, the second largest Canadian province, is the most populous and the leader in mineral, industrial, and agricultural output and in financial and other services. It is bounde...
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