Message from Dr Margaret Chan, Director-General, World Health Organization.
Chan
Margaret
M
World Health Organization.
D003226:Congresses as Topic; D004782:Environmental Health / Q000458:organization & administration*; D014943:Global Health; D017752:Greenhouse Effect; D006301:Health Services Needs and Demand; D006801:Humans; D014944:World Health Organization / Q000458:organization & administration