1 Subjects: “...injection-locked frequency divider...”

2 Subjects: “...high-frequency establishment data...”

3 Subjects: “...food frequency questionnaire...”

4 Subjects: “...food frequency questionnaire...”

5 Subjects: “...frequency emphasis...”

6 Subjects: “...breastfeeding frequency...”

7 Subjects: “...frequency bands...”

8 Subjects: “...visiting frequency...”

9 Subjects: “...Frequency...”