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APA Citation
Baumbach, A., Kesavan, S., Khan, Y., Iqbal, A., Townsend, M., Hutter, J., & Turner, M. (n.d.). surgical aortic valve replacement in octogenarians: results in patients who could be considered for transcatheter aortic valve implantation. Heart, 95, 47. http://access.bl.uk/ark:/81055/vdc_100135562720.0x00000f