LJUNGSTRÖM O., BERGLUND L., HJELMQUIST G., HUMBLE E. and ENGSTRÖM L. (1974) “Cyclic 3′,5′-AMP-Stimulated and Non-stimulated Phosphorylation of Protein Fractions from Rat-liver Cell Sap on Incubation with (γ-32P)ATP”, Upsala Journal of Medical Sciences, 79(3), pp. 129-137. doi: 10.3109/03009737409178393.