DOI, UDC, XML
The Digital Objective Identifier (DOI) is provided by CrossRef (www.crossref.org) with the support of Information Society Development Institute (www.idsi.md) of the Academy of Sciences of Moldova. Extensible Markup Language (XML) format is provided by Information Society Development Institute (www.idsi.md) of the Academy of Sciences of Moldova. The Universal Decimal Classification (UDC) code is provided by the Scientific Medical Library of Nicolae Testemitanu State University of Medicine and Pharmacy of the Republic of Moldova (www.library.usmf.md).