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APA Citation
Spethmann, S., Prescher, S., Dreger, H., Nettlau, H., Baumann, G., Knebel, F., & Koehler, F. (n.d.). electrocardiographic monitoring during marathon running: a proof of feasibility for a new telemedical approach. European journal of preventive cardiology, 21, 32–37. http://access.bl.uk/ark:/81055/vdc_100117109320.0x000015