Grant, S., Aitchison, T., Henderson, E., Christie, J., Zare, S., Mc Murray, J., & Dargie, H. (1999). A Comparison of the Reproducibility and the Sensitivity to Change of Visual Analogue Scales, Borg Scales, and Likert Scales in Normal Subjects During Submaximal Exercise. Chest, 116(5), 1208-1217. https://doi.org/10.1378/chest.116.5.1208
Chicago Style (17th ed.) CitationGrant, Stan, Tom Aitchison, Esther Henderson, Jim Christie, Sharam Zare, John Mc Murray, and Henry Dargie. "A Comparison of the Reproducibility and the Sensitivity to Change of Visual Analogue Scales, Borg Scales, and Likert Scales in Normal Subjects During Submaximal Exercise." Chest 116, no. 5 (1999): 1208-1217. https://doi.org/10.1378/chest.116.5.1208.
MLA (9th ed.) CitationGrant, Stan, et al. "A Comparison of the Reproducibility and the Sensitivity to Change of Visual Analogue Scales, Borg Scales, and Likert Scales in Normal Subjects During Submaximal Exercise." Chest, vol. 116, no. 5, 1999, pp. 1208-1217, https://doi.org/10.1378/chest.116.5.1208.