fig4

Figure 4. Take the data of a subject as an example, PTT were divided into two groups according to high heart rate and low heart rate. PTT: pulse transit time; HR: heart rate.
Figure 4. Take the data of a subject as an example, PTT were divided into two groups according to high heart rate and low heart rate. PTT: pulse transit time; HR: heart rate.
All published articles are preserved here permanently:
https://www.portico.org/publishers/oae/