Columbia subject headings:
Fertilization in vitro, Human--Congresses.
Human embryo--Transplantation--Congresses.
Harvard subject headings:
Fertilization in vitro, Human--Congresses.
Human embryo--Transplantation--Congresses.
Princeton subject headings:
Fertilization in vitro, Human--Congresses.
Human embryo--Transplantation--Congresses.