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Krishnamurthy GT, Bobba VR, Kingston E (March 1981). "Radionuclide ejection fraction: a technique for quantitative analysis of motor function of the human gallbladder". Gastroenterology. 80 (3): 482–90. doi:10.1016/0016-5085(81)90009-3. PMID7450441.
Asferg C, Usinger L, Kristensen TS, Abdulla J (May 2012). "Accuracy of multi-slice computed tomography for measurement of left ventricular ejection fraction compared with cardiac magnetic resonance imaging and two-dimensional transthoracic echocardiography: a systematic review and meta-analysis". European Journal of Radiology. 81 (5): e757-62. doi:10.1016/j.ejrad.2012.02.002. PMID22381439.
Wackers FJ, Berger HJ, Johnstone DE, Goldman L, Reduto LA, Langou RA, Gottschalk A, Zaret BL (June 1979). "Multiple gated cardiac blood pool imaging for left ventricular ejection fraction: validation of the technique and assessment of variability". The American Journal of Cardiology. 43 (6): 1159–66. doi:10.1016/0002-9149(79)90148-6. PMID443176.
Bing RJ, Heimbecker R, Falholt W (October 1951). "An estimation of the residual volume of blood in the right ventricle of normal and diseased human hearts in vivo". American Heart Journal. 42 (4): 483–502. doi:10.1016/0002-8703(51)90146-9. PMID14877744.
Krayenbühl HP, Bussmann WD, Turina M, Lüthy E (1968). "Is the ejection fraction an index of myocardial contractility?". Cardiologia. 53 (1): 1–10. doi:10.1159/000166167. PMID5733881.