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APA Citation
McCaughey, E. J., McLean, A. N., Allan, D. B., & Gollee, H. (n.d.). abdominal functional electrical stimulation to enhance mechanical insufflation-exsufflation. Journal of spinal cord medicine, 39, 720–725. http://access.bl.uk/ark:/81055/vdc_100039134286.0x00000e