Daniel, G., DeNovo, R., Bahr, A., & Smith, G. (1969). Evaluation of heart time-activity curves as a predictor of hepatic extraction of 99mTc-mebrofenin in dogs. Veterinary Radiology & Ultrasound : The Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association, 42(2), 162-8. https://doi.org/10.1111/j.1740-8261.2001.tb00920.x (Original work published 1969)

Daniel, G., Bahr, A., Dykes, J., DeNovo, R., Young, K., & Smith, G. (1996). Hepatic extraction efficiency and excretion rate of technetium-99m-mebrofenin in dogs. Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine, 37(11), 1846-9. Retrieved from http://jnm.snmjournals.org/cgi/pmidlookup?view=long&pmid=8917190