V. J. Heazelwood, J. P. Galligan, G. R. Cannell, F. Bochner, R. H. Mortimer: Plasma cortisol delivery from oral cortisol and cortisone acetate: relative bioavailability. In: Br. J. Clin. Pharmacol, 17(1), 1984, S. 55–59; PMC 1463287 (freier Volltext).