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TABLE 1: Peak systolic and diastolic velocities in the normal control volunteers
Volunteer No. Age (yr) Peak Systolic Velocity Peak Diastolic Velocity
1 61 2.1 2.4
2 36 1.7 2.1
3 28 2.0 1.6
4 21 2.7 4.2
5 33 2.9 1.9
6 48 1.2 2.1
7 41 2.2 4.5
8 47 2.4 2.5
9 46 3.3 3.5
10 30 3.1 2.9
Average 39.1 2.36 2.77
Volunteer No.	Age (yr)	Peak Systolic Velocity	Peak Diastolic Velocity
1	61	2.1	2.4
2	36	1.7	2.1
3	28	2.0	1.6
4	21	2.7	4.2
5	33	2.9	1.9
6	48	1.2	2.1
7	41	2.2	4.5
8	47	2.4	2.5
9	46	3.3	3.5
10	30	3.1	2.9
Average	39.1	2.36	2.77