MEDical Literature Analysis and Retrieval System (MEDLARS): MEDical Literature Analysis and Retrieval System (MEDLARS) is the computerized system of databases and databanks offered by the National Library of Medicine. The National Library of Medicine (NLM) enters into bilateral agreements with public institutions in foreign countries to serve as International MEDLARS Centers. These Centers assist health professionals in accessing MEDLARS databases, offer search training, provide document delivery and perform other functions as biomedical information resource centers. There are more than 20 international MEDLARS centres worldwide. In the List of international MEDLARS centres of the National Library of Medicine one can find the corresponding addresses.