Columbia subject headings:
Cancer cells--Congresses.
Stem cells--Congresses.
Teratocarcinoma--Congresses.
Harvard subject headings:
Cancer cells--Congresses
Stem cells--Congresses.
Teratocarcinoma--Congresses.
Princeton subject headings:
Cancer cells--Congresses.
Stem cells--Congresses.
Teratocarcinoma--Congresses.