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APA Citation
Amin, Q., Perry, J. J., Stiell, I. G., Mohapatra, S., Alsadoon, A., & Rodger, M. (n.d.). ambulatory vital signs in the workup of pulmonary embolism using a standardized 3-minute walk test. CJEM, 17(3), 270–278. http://access.bl.uk/ark:/81055/vdc_100042044923.0x00001e