1. Master AM: Two-step exercise electrocardiogram: Test for coronary insufficiency. Ann Intern Med 32: 842–63, 1950.
2. Rifkin RD, Hood WB: Bayesian analysis of electrocardiographic exercise stress testing. N Engl J Med 297: 681–6, 1977.
3. Kawana M, Drisek H, Porter J, Lathrop KA, Charlescon D, Harper PV: The use of thallium-199 as a potassium analogue in scanning. J Nucl Med 11: 333, 1970.
4. Ritchie JL,Trobaugh GB, Williams DL, Hamilton GW: Myocardial imaging with thallium-201 at rest and exercise: Correlation with coronary anatomy and exercise electrocardiography (abstr). Circulation 53, 54; Suppl 11: 11–216, 1978.
5. Pohost GM, Zir LM, Moore RH, McKusick KA, Guiney TE, Beller GA: Differentiation of transiently ischemic from infarcted myocardium by serial imaging after a single dose of thallium-201. Circulation 55: 294–302, 1977.