Columbia subject headings:
Cytology--Research--Congresses.
Medicine--Research--Congresses.
Scanning electron microscopes--Congresses.
Harvard subject headings:
Cytology--Research--Congresses.
Medicine--Research--Congresses
Scanning electron microscopy--Congresses.
Princeton subject headings:
Cytology--Research--Congresses.
Medicine--Research--Congresses.
Scanning electron microscopes--Congresses.