AUTHOR=Botero-Rosas Daniel , Agudelo-Pérez Sergio , Troncoso Gloria , Gómez Maria C. , Tuta-Quintero Eduardo TITLE=Role of the very low frequencies of the renal oxygen saturation signal in acute kidney injury in newborns with perinatal asphyxia JOURNAL=Frontiers in Pediatrics VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/pediatrics/articles/10.3389/fped.2025.1490321 DOI=10.3389/fped.2025.1490321 ISSN=2296-2360