Citáce podľa APA (7th ed.)

Lu, G., Yang, F., Taylor, J. A., & Stein, J. F. (2009). A comparison of photoplethysmography and ECG recording to analyse heart rate variability in healthy subjects. Journal of medical engineering & technology, 33(8), 634-641. https://doi.org/10.3109/03091900903150998

Citácia podle Chicago (17th ed.)

Lu, G., F. Yang, J. A. Taylor, a J. F. Stein. "A Comparison of Photoplethysmography and ECG Recording to Analyse Heart Rate Variability in Healthy Subjects." Journal of Medical Engineering & Technology 33, no. 8 (2009): 634-641. https://doi.org/10.3109/03091900903150998.

Citácia podľa MLA (8th ed.)

Lu, G., et al. "A Comparison of Photoplethysmography and ECG Recording to Analyse Heart Rate Variability in Healthy Subjects." Journal of Medical Engineering & Technology, vol. 33, no. 8, 2009, pp. 634-641, https://doi.org/10.3109/03091900903150998.

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