Comparison of competitive protein binding radioassay of cortisol to double isotope dilution and porter silber methods

Murphy, 1964, Nature, 4920, 679, 10.1038/201679a0 Murphy, 1964, J. Clin. Endocrinol., 24, 919, 10.1210/jcem-24-9-919 Murphy, 1967, J. Clin. Endocrinol., 27, 973, 10.1210/jcem-27-7-973 Kliman, 1960, J. Biol. Chem., 235, 1639, 10.1016/S0021-9258(19)76855-0 Nelson, 1952, J. Clin. Endocrinol., 12, 519, 10.1210/jcem-12-5-519 Eik-Nes, 1953, J. Clin. Endocrinol., 13, 1280, 10.1210/jcem-13-10-1280 Porter, 1950, J. Biol. Chem., 185, 201, 10.1016/S0021-9258(18)56408-5