Ballard, P. L., Baxter, J. D., Higgins, S. J., Rousseau, G. G., & Tomkins, G. M. (1974). General presence of glucocorticoid receptors in mammalian tissues. Endocrinology, 94(4), 998-1002. https://hdl.handle.net/2078.5/67806 (Original work published 1974)