RT Book, Section A1 Freeman, Brian S. A1 Berger, Jeffrey S. SR Print(0) ID 1204770548 T1 Synthetic and Recombinant Hemoglobins T2 Anesthesiology Core Review: Part One: BASIC Exam, 2nd Edition YR 2024 FD 2024 PB McGraw-Hill Education PP New York, NY SN 9781264285518 LK accessanesthesiology.mhmedical.com/content.aspx?aid=1204770548 RD 2025/01/22 AB No blood substitutes are available in the United States today. However, many substances have been synthesized and studied over the years in an attempt to mimic the oxygen-carrying capacity of hemoglobin, including several products that are in phase II and III trials in the United States. Products under development lack many of the ideal properties of a synthetic oxygen carrier (Table 197-1).