1 Subjects: “...randomized control trial...”

2 Subjects: “...randomized controlled trial...”

3 Subjects: “...randomized controlled trial...”

4 Subjects: “...randomized controlled trial...”

5 Subjects: “...randomized controlled trials...”

6 Subjects: “...randomized controlled trial...”

7 Subjects: “...randomized controlled trial...”

8 Subjects: “...randomized controlled trial...”

9 Subjects: “...randomized controlled trial...”

10 Subjects: “...randomized controlled trial...”

11 Subjects: “...randomized controlled trial...”

12 Subjects: “...randomized controlled trial...”

13 Subjects: “...randomized controlled trial...”

14 Subjects: “...randomized controlled trial...”