| http://www.w3.org/ns/prov#value | - In some embodiments of the invention wherein the sample is a biological fluid, e.g., a body fluid (for example, serum), the sample size can be less than 1000, 500, 200, 100, 75, 50, 40, 30, 20, 10, 5, 4, 3, 2, 1, 0.1, 0.01, 0.001, or 0.0001 ul.
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