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BMC Cardiovascular Disorders > 2019 > 19 > 1 > 1-7
International Journal of Cardiology > 2013 > 166 > 2 > 487-493
BMC Cardiovascular Disorders > 2019 > 19 > 1 > 1-7
International Journal of Cardiology > 2013 > 166 > 2 > 487-493