Columbia subject headings:
Abortion--Law and legislation--United States.
Abortion--United States.
Nathanson, Bernard N., 1926-2011.
Physicians--United States--Biography.
Harvard subject headings:
Abortion--Law and legislation--United States
Abortion--United States
Nathanson, Bernard N., 1926-2011
Physicians--United States--Biography
Princeton subject headings:
Abortion--Law and legislation--United States.
Abortion--United States.
Nathanson, Bernard N., 1926-2011.
Physicians--United States--Biography.