| umls-concept:C0007928 | skos:definition | MSH: A republic in central Africa, east of NIGER, west of SUDAN and south of LIBYA. Its capital is N'Djamena.,NCI: A country in Central Africa, south of Libya. (NCI),NCI: A country in Central Africa, south of Libya. (CIA World Factbook 2002) | lld:umls |
