Columbia subject headings:
Biotechnology--Environmental aspects--Congresses.
Biotechnology--Safety measures--Congresses.
Genetic engineering--Safety measures--Congresses.
Harvard subject headings:
Biotechnology--Environmental aspects--Congresses.
Biotechnology--Safety measures--Congresses.
Genetic engineering--Safety measures--Congresses.
Princeton subject headings:
Biotechnology--Environmental aspects--Congresses.
Biotechnology--Safety measures--Congresses.
Genetic engineering--Safety measures--Congresses.