prov:value
| - Samples include, for example, any tissue or material that may contain cells specific for the PCA3 target (or second specific marker), such as peripheral blood, plasma or serum, biopsy tissue, gastrointestinal tissue, bone marrow, urine, feces, semen or other body fluids, tissues or materials, but preferably is a urine sample following digital rectal examination (or other means which increase the c
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