SVJETSKI DAN ZDRAVLJA Datum 7.4. Područje medicina ekologija Izvori UNESCO-ov kalendar za 1997. Linkovi http://www.who.int/world-health-day/2007/en/index.html http://portal.unesco.org/en/ev.php-URL_ID=7588&URL_DO=DO_TOPIC&URL_SECTION=201.html http://www.un.org/depts/dhl/health/ http://www.who.int/world-health-day/2005/en/ http://www.who.int/world-health-day/2006/en/