Ploypetch, S., Rungsipipat, A., Piyaviriyakul, P., Choisunirachon, N., Makoom, P. and Kalpravidh, C. 2017. Relationships between transferrin and transferrin receptor (TfR) expression in dogs with malignant oronasal tumors. The Thai Journal of Veterinary Medicine. 47, 1 (Apr. 2017), 61–70.