Ferreira, Patricia Almeida, et al. “Capillary and Venous Blood Glucose of Healthy Dogs: Measurement by Electrochemical Method Versus Enzymatic Laboratory”. Semina: Ciências Agrárias, vol. 34, no. 3, June 2013, pp. 1287-92, doi:10.5433/1679-0359.2013v34n3p1287.