1 Subjects: “...electronic cigarette...”

2 Subjects: “...electronic spectra...”

3 Subjects: “...low-energy electron irradiation...”

4 Subjects: “...scanning electron microscopy...”

5 Subjects: “...electron transport chain...”

6 Subjects: “...direct electron transfer (DET)...”

7 Subjects: “...electron transport...”

8 Subjects: “...electron transport...”

9 Subjects: “...electron transport...”