Columbia subject headings:
Contracts--Japan.
Contracts--United States.
Gifts--Law and legislation.
Informed consent (Medical law)--Japan.
Informed consent (Medical law)--United States.
Medical laws and legislation--Japan.
Medical laws and legislation--United States.
Harvard subject headings:
Contracts--Japan.
Contracts--United States.
Medical laws and legislation--Japan.
Medical laws and legislation--United States.
Princeton subject headings: