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Five databases (Health Economic Evaluations Database (HEED), NHS Economic Evaluation Database (NHS EED), Health Tecnology Assessment (HTA), MEDLINE Ovid and PubMed, and ECONLIT) were searched from their inception to September 2010 using key words: (cost* or economic* or valu* or pharmac* or impact or burden or drug or expenditure* or willingness or employment or resource* or use* or utilization) crossed with (HIV* or AIDS or antirretroviral therapy) in HEED; and, (HIV* or AIDS or antirretroviral therapy) for the NHS EED and HTA searches.
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