Bjorkholm, M., Fagrell, B., Przybelski, R., Winslow, N., Young, M. and Winslow, R. (2005) “A phase I single blind clinical trial of a new oxygen transport agent (MP4), human hemoglobin modified with maleimide-activated polyethylene glycol”, Haematologica. Pavia, Italy, 90(4), pp. 505-515. Available at: https://haematologica.org/article/view/3482 (Accessed: 7November2026).