Ritskes-Hoitinga, M., J. Bräutigam, E. Kaliste-Korhonen, and A. Smith. “Evaluation of Quality Systems for Animal Units: Report of the Scand-LAS Working Group”. Scandinavian Journal of Laboratory Animal Science, vol. 26, no. 3, Dec. 1999, doi:10.23675/sjlas.v26i3.843.