| http://www.w3.org/ns/prov#value | - For instance, the coordination compounds of heme and imidazole quickly lose their ability to combine with oxygen in biological fluids, and the water soluble compound, bishistidino-cobalt, absorbs oxygen reversibly, for a short period of one hour at 37??? C. The fluorocarbons are removed by the circulatory system as foreign substances, and they become lodged in the liver, spleen and other tissues.
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