Figure 4. Data on the duration (in seconds) between the start of a phase and its greatest (first) peak were collated and shown diagrammatically .

From

The noninvasive neuromonitoring in medicine: Rheoencephalography (REG)

Nguyen Hoang Tin, Tran Thai Thanh Tam, Phung Minh Thu

American Journal of Medical Sciences and Medicine. 2023, 11(3), 67-73 doi:10.12691/ajmsm-11-3-1