1 Subjects: “...Administration, Topical...”

2 Subjects: “...Administration, Topical...”

3 Subjects: “...Fluorides, Topical / therapeutic use...”

4 Subjects: “...Fluorides, Topical / therapeutic use...”

5 Subjects: “...Clinical Trials as Topic...”

6 Subjects: “...Clinical Trials as Topic...”

7 Subjects: “...Evaluation Studies as Topic...”

8 Subjects: “...Evaluation Studies as Topic...”

9 Subjects: “...Evaluation Studies as Topic...”

10 Subjects: “...Evaluation Studies as Topic...”

11 Subjects: “...Statistics as Topic...”

12 Subjects: “...Statistics as Topic...”

13 Subjects: “...Statistics as Topic...”

14 Subjects: “...Databases as Topic...”