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APA Citation
Kondo, T., Adachi, T., Kobayashi, K., Okumura, T., Izawa, H., Murohara, T., McMurray, J. J. V., & Yamada, S. (n.d.). frailty and use of treatment in patients with heart failure and reduced ejection fraction. European heart journal, 43, . http://access.bl.uk/ark:/81055/vdc_100168328964.0x000038