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"A Columbia ewe lamb The Columbia is one of the first breeds of sheep developed in the United States. The product of USDA and university research, it was intended to be an improved breed adapted for the Western ranges of the country (where the majority of sheep raising takes place). Beginning in 1912 in Laramie, Wyoming, Lincoln rams were crossed with Rambouillet ewes. In 1918, the foundation flock was moved to the U.S. Sheep Experiment Station near Dubois, Idaho, for further refinement. Today's Columbia is a popular breed, with heavy, white fleeces and good growth characteristics. It is one of the larger breeds, and is often used for cross breeding in commercial western flocks. Characteristics Adult rams weigh between , while females weigh between . An average fleece from a ewe weighs from , with a yield of 45 to 55%. The staple length of the wool ranges from . The wool is classified as medium wool with a spin count of 50s to 60s. The wool varies from 31.0 to 24.0 microns. References External links * Columbia Sheep Breeders Association Category:Sheep breeds originating in the United States Category:Sheep breeds "
"Chronic phase chronic myelogenous leukemia is a phase of chronic myelogenous leukemia in which 5% or fewer of the cells in the blood and bone marrow are blast cells (immature blood cells). This phase may last from several months to several years, and there may be no symptoms of leukemia. References * Chronic phase chronic myelogenous leukemia entry in the public domain NCI Dictionary of Cancer Terms Category:Chronic myeloid leukemia "
"Citric acid/potassium-sodium citrate is a drug used in the treatment of metabolic acidosis (a disorder in which the blood is too acidic). External links * Citric acid/potassium-sodium citrate entry in the public domain NCI Dictionary of Cancer Terms Category:Acid–base disturbances Category:Citric acid cycle compounds Category:Potassium compounds Category:Combination drugs "