1 Subjects: “...United States...”

2 Subjects: “...United States...”

3 Subjects: “...United States...”

4 Subjects: “...United States...”

5 Subjects: “...United States...”

6 Subjects: “...United States...”

7 Subjects: “...United States...”

8 Subjects: “...United States...”

9 Subjects: “...United States...”

10 “... is deemed moderate because studies are at medium to high risk of bias, but provide precise and fairly...”

11 “... is deemed moderate because studies are at medium to high risk of bias, but provide precise and fairly...”

12 “..., representing 59 distinct study populations: 2 of good quality, 11 fair, and 46 poor. RESULTS: Inhalation...”

13 “..., representing 59 distinct study populations: 2 of good quality, 11 fair, and 46 poor. RESULTS: Inhalation...”

14

15

16

17 “... unique studies meeting our review criteria; eight were of good, eight were of fair, and 44 were of poor...”

18 “... of AUB. RESULTS: Thirty-nine RCTs (6 good quality, 10 fair quality, and 23 poor quality) evaluated 12...”

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20