Higgins, S. J., Rousseau, G. G., Baxter, J. D., & Tomkins, G. M. (1973). Early events in glucocorticoid action. Activation of the steroid receptor and its subsequent specific nuclear binding studied in a cell-free system. Journal of Biological Chemistry, 248(16), 5866-5872. https://hdl.handle.net/2078.5/130301 (Original work published 1973)