Canada: The largest country in North America, comprising 10 provinces and three territories. Its capital is Ottawa.Ontario: A province of Canada lying between the provinces of Manitoba and Quebec. Its capital is Toronto. It takes its name from Lake Ontario which is said to represent the Iroquois oniatariio, beautiful lake. (From Webster's New Geographical Dictionary, 1988, p892 & Room, Brewer's Dictionary of Names, 1992, p391)British Columbia: A province of Canada on the Pacific coast. Its capital is Victoria. The name given in 1858 derives from the Columbia River which was named by the American captain Robert Gray for his ship Columbia which in turn was named for Columbus. (From Webster's New Geographical Dictionary, 1988, p178 & Room, Brewer's Dictionary of Names, 1992, p81-2)Alberta: A province of western Canada, lying between the provinces of British Columbia and Saskatchewan. Its capital is Edmonton. It was named in honor of Princess Louise Caroline Alberta, the fourth daughter of Queen Victoria. (From Webster's New Geographical Dictionary, 1988, p26 & Room, Brewer's Dictionary of Names, 1992, p12)Precursor Cell Lymphoblastic Leukemia-Lymphoma: A neoplasm characterized by abnormalities of the lymphoid cell precursors leading to excessive lymphoblasts in the marrow and other organs. It is the most common cancer in children and accounts for the vast majority of all childhood leukemias.Imitative Behavior: The mimicking of the behavior of one individual by another.Lobosea: A class of amoeboid EUKARYOTES that forms either filiform subpseudopodia or lobopodia. Characteristics include the absence of sorocarps, sporangia, or similar fruiting bodies. Lobosea were formerly members of the phylum Sarcomastigophora, subphylum Sarcodina, under the old five kingdom paradigm.Northwest Territories: A federally administered division of Canada. Its capital is Yellowknife. The former northern and eastern-most parts of the Territory comprise the new territory of Nunavut, effective April 1, 1999.Neoplasms, Bone Tissue: Neoplasms composed of bony tissue, whether normal or of a soft tissue which has become ossified. The concept does not refer to neoplasms located in bones.Nunavut: A self-governing territory formed from the central and eastern portions of the Northwest Territories. It was officially established April 1, 1999. The capital is Iqaluit.Yukon Territory: A territory of northwest Canada, bounded on the north by the Arctic Ocean, on the south by British Columbia, and on the west by Alaska. Its capital is Whitehorse. It takes its name from the Yukon River, the Indian yu-kun-ah, meaning big river. (From Webster's New Geographical Dictionary, 1988, p1367 & Room, Brewer's Dictionary of Names, 1992, p608)Midwestern United States: The geographic area of the midwestern region of the United States in general or when the specific state or states are not indicated. The states usually included in this region are Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, Nebraska, Ohio, Oklahoma, North Dakota, South Dakota and Wisconsin.Inuits: Inuktitut-speakers generally associated with the northern polar region.Prince Edward Island: An island in the Gulf of St. Lawrence constituting a province of Canada in the eastern part of the country. It is very irregular in shape with many deep inlets. Its capital is Charlottetown. Discovered by the French in 1534 and originally named Ile Saint-Jean, it was renamed in 1799 in honor of Prince Edward, fourth son of George III and future father of Queen Victoria. (From Webster's New Geographical Dictionary, 1988, p981 & Room, Brewer's Dictionary of Names, 1992, p433)Arctic Regions: The Arctic Ocean and the lands in it and adjacent to it. It includes Point Barrow, Alaska, most of the Franklin District in Canada, two thirds of Greenland, Svalbard, Franz Josef Land, Lapland, Novaya Zemlya, and Northern Siberia. (Webster's New Geographical Dictionary, 1988, p66)New Brunswick: A province of eastern Canada, one of the Maritime Provinces with NOVA SCOTIA; PRINCE EDWARD ISLAND; and sometimes NEWFOUNDLAND AND LABRADOR. Its capital is Fredericton. It was named in honor of King George III, of the House of Hanover, also called Brunswick. (From Webster's New Geographical Dictionary, 1988, p828 & Room, Brewer's Dictionary of Names, 1992, p375)Single-Payer System: An approach to health care financing with only one source of money for paying health care providers. The scope may be national (the Canadian System), state-wide, or community-based. The payer may be a governmental unit or other entity such as an insurance company. The proposed advantages include administrative simplicity for patients and providers, and resulting significant savings in overhead costs. (From Slee and Slee, Health Care Reform Terms, 1993, p106)Indians, North American: Individual members of North American ethnic groups with ancient historic ancestral origins in Asia.GeeseNational Health Programs: Components of a national health care system which administer specific services, e.g., national health insurance.Emigration and Immigration: The process of leaving one's country to establish residence in a foreign country.Disease Outbreaks: Sudden increase in the incidence of a disease. The concept includes EPIDEMICS and PANDEMICS.Questionnaires: Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.Prevalence: The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.Risk Factors: An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.North AmericaPopulation Surveillance: Ongoing scrutiny of a population (general population, study population, target population, etc.), generally using methods distinguished by their practicability, uniformity, and frequently their rapidity, rather than by complete accuracy.Emigrants and Immigrants: People who leave their place of residence in one country and settle in a different country.Lactams, Macrocyclic: LACTAMS forming compounds with a ring size of approximately 1-3 dozen atoms.Physicians: Individuals licensed to practice medicine.Australia: The smallest continent and an independent country, comprising six states and two territories. Its capital is Canberra.Acetate Kinase: An enzyme that catalyzes reversibly the phosphorylation of acetate in the presence of a divalent cation and ATP with the formation of acetylphosphate and ADP. It is important in the glycolysis process. EC 18.104.22.168.