1 Subjects: “...tree-ring width...”

2 Subjects: “...tree ring analysis...”

3 Subjects: “...ring cleavage...”

4 Subjects: “...ring-opening...”

5 Subjects: “...actomyosin ring...”

6 Subjects: “...isochronous rings...”

7 Subjects: “...green ring...”

8 Subjects: “...green ring...”

9 Subjects: “...Raschig rings...”

10 Subjects: “...loop current rings...”