Columbia subject headings:
Clements, Charles.
El Salvador-Honduras Conflict, 1969--Personal narratives, American.
Physicians--United States--Biography.
Harvard subject headings:
Clements, Charles.
El Salvador--History--Civil War, 1979-1992
Physicians--United States--Biography
Princeton subject headings:
Clements, Charles.
El Salvador-Honduras Conflict, 1969--Personal narratives, American.
Physicians--United States--Biography.