| http://www.w3.org/ns/prov#value | - A disposable sample collection pouch suitable for the recovery of solid materials, such as body tissue or kidney stones, from blood, urine or other body fluids comprising:a. a flexible fluid-impermeable back sheet having a back sheet edge; b. a flexible fluid-impermeable front sheet having substantially the same size and shape as said back sheet, and having a front sheet edge sealed to said back s
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