1 Subjects: “...externalities...”

2 Subjects: “...External and internal mass transfer limitation...”

3 Subjects: “...external cavity feedback...”

4 Subjects: “...negative externalities...”

5 Subjects: “...externalities...”

6 Subjects: “...Joint External Evaluation (JEE)...”

7 Subjects: “...external fixation...”

8 Subjects: “...external human–machine interface...”

9 Subjects: “...external container trucks...”

10 Subjects: “...automated external defibrillator...”

11 Subjects: “...external forces...”

12 Subjects: “...non-invasive external pelvic stabilizers...”

13 Subjects: “...external-cavity diode laser...”

14 Subjects: “...external rays...”

15 Subjects: “...internal and reverse external axial flows...”

16 Subjects: “...External dynamics that hinder spatial transformation...”

17 Subjects: “...internal and external innovativeness...”

18 Subjects: “...externally visible characteristics...”

19 Subjects: “...kriging with external drift...”

20 Subjects: “...kriging with external drift...”