Cite

    Gert Reiter et al.. “Counter-clockwise vortical blood flow in the main pulmonary artery in a patient with patent ductus arteriosus with pulmonary arterial hypertension: a cardiac magnetic resonance imaging case report.” BMC medical imaging, vol. 16, no. 1, 2016, pp. 1–5. http://access.bl.uk/ark:/81055/vdc_100080567082.0x0001a7