Figure 1
From: Carotid MR angiography using pulsed continuous arterial spin labeling
Top panel, Bar plot showing the ratio of PCASL to PASL signal in the carotid arteries. Bottom panel, montage of PCASL and PASL images acquired using short repetition and long labeling times. Images are shown using the same window and level settings. TR = repetition time; TI = labeling time/duration.