Veyckemans, F., Baele, P., Guillaume, JE., Willems, E., Robert, A., & Clerbaux, T. (1989). Hyperbilirubinemia Does Not Interfere With Hemoglobin Saturation Measured By Pulse Oximetry. Anesthesiology, 70(1), 118-122. https://doi.org/10.1097/00000542-198901000-00022 (Original work published 1989)