J. E. Mata, Dyal, L. A., Slauson, M. E., Summerton, J. E., Löhr, C. V., Tyson, A. Reid, Rodriguez-Proteau, R., and Gustafson, S. B.,
“Tumor imaging using technetium-99m bound to pH-sensitive peptides.”,
Nanomedicine : nanotechnology, biology, and medicine, vol. 3, no. 4, pp. 297-305, 2007.