1

2

3

4 “...In January 2010, AHRQ requested that the Johns Hopkins University Evidence-based Practice Center...”

5

6

7

8

9

10

11

12

13

14

15

16

17 “... that can be due to occlusion or reflux in the venous system. The Johns Hopkins University Evidence-based...”

18 “... that can be due to occlusion or reflux in the venous system. The Johns Hopkins University Evidence-based...”

19

20