DANIELSON , B., G. GRÄNGSJÖ, B. KARLMARK, H. R. ULFENDAHL, and M. WOLGAST. “Acid—Base Status in Dogs During Long Term Anaesthesia”. Upsala Journal of Medical Sciences, vol. 80, no. 2, Aug. 1975, pp. 77-82, doi:10.3109/03009737509178997.