Pilebro , B., O. B. Suhr, U. Näslund, P. Westermark, P. Lindqvist, and T. Sundström. “99mTc-DPD Uptake Reflects Amyloid Fibril Composition in Hereditary Transthyretin Amyloidosis”. Upsala Journal of Medical Sciences, vol. 121, no. 1, Feb. 2016, pp. 17–24, doi:10.3109/03009734.2015.1122687.