1 Subjects: “...liquid biopsy...”

2 Subjects: “...solid-liquid extraction...”

3 Subjects: “...liquid metal extraction...”

4 Subjects: “...dispersive liquid-liquid microextraction...”

5 Subjects: “...rare earth zirconates...”

6 Subjects: “...liquid retention...”

7 Subjects: “...liquid targets...”

8 Subjects: “...rare earth ions...”

9 Subjects: “...rare earth oxides...”

10 Subjects: “...ionic liquid...”

11 Subjects: “...rare earth elements...”

12 Subjects: “...mixed rare earth...”

13 Subjects: “...mixed rare earth...”