@techreport{WHO Statistical Information System (WHOSIS)2008, author = {WHO Statistical Information System (WHOSIS)}, title= {Indicator definitions and metadata, 2008}, year = {2008}, URL = {http://www.who.int/whosis/indicators/compendium/2008/2bwn/en/index.html (July 24, 2010)}, publisher = {World Health Organization}, address = {Geneva}, }