{Reference Type}: Letter {Title}: Issues for standardization of neonatal bilirubinemia: a case of delayed phototherapy initiation. {Author}: Vaubourdolle M;Mailloux A; {Journal}: Clin Chem Lab Med {Volume}: 0 {Issue}: 0 {Year}: 2024 Mar 29 {Factor}: 8.49 {DOI}: 10.1515/cclm-2023-1444