1. Aldridge, W. N., and E. Reiner: Enzyme inhibitors as substrates, p. 328. Amsterdam-London: North-Holland (1972).
2. Arnan, A.: Experience in the WHO field programme for evaluating the safety of new insecticides. Bull. World Health Org. 44, 273 (1971).
3. Augustinsson, K.-B.: The normal variation of human blood Cholinesterase activity. Acta Physiol. Scand. 35, 40 (1955).
4. Augustinsson, K.-B.: Determination of activity of cholinesterases. In D. Glick (ed.): Methods of biochemical analysis, suppl. vol. Analysis of biogenic amines and their related enzymes, pp. 217–273. New York: Interscience (1971).
5. Augustinsson, H. Eriksson, and Y. Faijersson: A new approach to determining Cholinesterase activities in samples of whole blood. Clin. Chim. Acta 89, 239 (1978).