Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 17 references without a DOI — listed, not checked
no DOI — not checkedFernandes, B., Afonso, J. A. & Simoes, R. Vital signs monitoring and management using mobile devices. Proceedings of CISTI, Iberian. 1–6 (2011).
no DOI — not checkedMeccariello, M., Perkins, D., Quigley, L. G., Rock, A. & Qiu, J. Evaluating the use of an automated vital signs documentation system on a medical/surgical unit. JHIM 24, 46–51 (2010).
no DOI — not checkedGao, T., Greenspan, D., Welsh, M., Juang, R. R. & Alm, A. Vital signs monitoring and patient tracking over a wireless network. Proceedings of IEEE Engineering in Medicine and Biology 27th Annual Conference. 102–105 (2006).
no DOI — not checkedMcmanus, D. D. et al. Transthoracic Bioimpedance Monitoring Predicts Heart Failure Decompensation and Early Readmission after Heart Failure Hospitalization: Preliminary Data from SENTINEL-HF. 2014 UMass Center for Clinical and Translational Science Research Retreat 319, 1–4 (2014).
no DOI — not checkedRen, L., Wang, H., Naishadham, K., Liu, Q. and Fath, A. E. Non-invasive detection of cardiac and respiratory rates from stepped frequency continuous wave radar measurements using the state space method. Proceedings of IEEE MTT-S int. Microwave Symp., 1–4 (2015).
no DOI — not checkedBifulco, P. et al. Monitoring of respiration, seismocardiogram and heart sounds by a PVDF piezo film sensor. Measurement 11, 786–789 (2014).
no DOI — not checkedKlap, T. & Shinar, Z. Using piezoelectric sensor for continuous-contact-free monitoring of heart and respiration rates in real-life hospital settings. Proceedings of CinC, IEEE, Spain. 671–674 (2013).
no DOI — not checkedBarrett, K. E., Barman, S. M., Boitano, S. & Brooks, H. L. Origin of the Heartbeat & the Electrical Activity of the Heart in Ganong Phsycology Examination and Board Review, (25th ed.) 509–526 (McGraw-Hill Education,2016).
no DOI — not checkedLedoux, A. Theory of piezoelectric materials and their applications in civil engineering. Doctoral dissertation, MIT, MA, USA, https://dspace.mit.edu/bitstream/handle/1721.1/66839/757753448-MIT.pdf?sequence=2&isAllowed=y (2011).
no DOI — not checkedJohnson Mathew Pro., Datasheet Piezo ceramic, 2019, http://www.piezoproducts.com/fileadmin/user_upload/pdf/jm_piezoproducts_data_sheet_piezoceramic_masses_en_15_01_2015.pdf, (Last accessed November 17, 2019).
no DOI — not checkedMathworks, Documentation on peak analysis, 2019, https://www.mathworks.com/help/signal/examples/peak-analysis.html, (Last accessed November 17, 2019).
no DOI — not checkedBracewell, R. N. & Bracewell, R. N. In The Fourier transform and its applications. (3rd ed.) (New York: McGraw-Hill, 1999).
no DOI — not checkedOmro healthcare, Blood pressure monitors, 2019, https://omronhealthcare.com/, (Last accessed November 17, 2019).
no DOI — not checkedZephyr, Zephyr™ Performance Systems OmniSense™, 2019, https://www.zephyranywhere.com/, (Last accessed November 17, 2019).
no DOI — not checkedThygerson, A. L., Gulli, B. & Krohmer, J. R. The Human Body in First aid, CPR, and AED (5th ed.) 31–52 (Jones & Bartlett Learning, 2017).
no DOI — not checkedThibodeau, G. A. & Patton, K. T. Organ systems of the body in Structure and Function of the Body (11th ed.) 71–83 (Elsevier Health Sciences, 2000).
no DOI — not checkedAhmed, S., Hilal-Alnaqbi, A., Al Hemairy, M. & Al Ahmad, M. ECG Abnormality Detection Algorithm. Int. J. of Advanced computer science and applications. 9, 215–219 (2018).
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