1. Stokely EM, Parkey RW, Bonte FJ, Graham KD, Stone MJ, Willerson JT. Gated blood pool imaging following 99mTc stannous pyrophosphate imaging. Radiology. 1976; 120: 433–434.
2. Pavel DG, Zimmer AM, Patterson VN. In vivo labeling of red blood cells with 99mTc: a new approach to blood pool visualization. J Nucl Med. 1977; 18: 303–308.
3. Callahan RJ, Froehlich JW, McKusick KW, Leppo J, Strauss HW. A modified method for the in vivo labeling of red cells with 99mTc: concise communication. J Nucl Med. 1983; 24: 98–103.
4. Srivastava SC, Straub RF. Blood cell labeling with 99mTc: progress and perspectives. Semin Nucl Med. 1990; 20: 41–51.
5. Patrick ST, Glowniak JV, Turner FE, Robbins MS, Wolfangel RG. Comparison of in vitro RBC labeling with the UltraTag RBC kit versus in vivo labeling. J Nucl Med. 1991;32:242–244.