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APA Citation
Marcusohn, E., Kobo, O., Postnikov, M., Epstein, D., Agmon, Y., Gepstein, L., Hellman, Y., & Zukermann, R. (n.d.). left ventricular ejection fraction reduction due to atrial fibrillation: clinical and echocardiographic predictors. European heart journal, 10, . http://access.bl.uk/ark:/81055/vdc_100127521834.0x000005