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Original Research
Published 2 June 2026
Variability and longitudinal dynamics of donor-derived cell-free DNA in kidney and liver recipients: a comparison of absolute and relative quantities in plasma and urine
Fanny Sandberg · Nicholas Kueng · Vanessa Banz · Annalisa Berzigotti · Daniel Sidler · Carlo R. Largiadèr · Ursula Amstutz
Frontiers in Transplantation
doi 10.3389/frtra.2026.1790754