MeSH definition : Countries known in remote history (as BYZANTIUM) or former names of countries reflecting
political changes in the 19th or 20th century (as GERMANY, EAST).;
MeSH annotation : used for searching; INDEXER: Do not use; CATALOGER: Do not use;
Countries known in remote history (as BYZANTIUM) or former names of countries reflecting
political changes in the 19th or 20th century (as GERMANY, EAST).