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. 2020 Apr 6;15(4):e0231058. doi: 10.1371/journal.pone.0231058

Table 2. Division of three patient urine samples into separate fractions to which preservative was added or not.

Volume (mL) Fractions
75 No preservative
UCM
Streck
70 No preservative
UCM
Streck
60 Reference (processed immediately)
No preservative
UCM
Cytolyt

Streck = cfDNA Urine Preserve, UCM = Urine conservation medium.