Dearling, J. L. J., Lewis, J. S., Mullen, G. E. D., Rae, M. T., Zweit, J., & Blower, P. J. (1998). Design of hypoxia-targeting radiopharmaceuticals: selective uptake of copper-64 complexes in hypoxic cells in vitro. European Journal of Nuclear Medicine and Molecular Imaging, 25(7), 788-792. https://doi.org/10.1007/s002590050283