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2. Global AIDS Update 2016,2016
3. Burnout and use of HIV services among health care workers in Lusaka District, Zambia: a cross-sectional study;GR Kruse,2009
4. Human resources for health: overcoming the crisis;L Chen,1990
5. Will universal access to antiretroviral therapy ever be possible? The health care worker challenge;AR Maddison,2010