Patients use nebulizers during a test for the presence of TB, at the Tembalete, a U.S. funded Right to Care Clinic at the Helen Joseph Hospital in Johannesburg Wednesday, Dec 17, 2008. In a series of moves experts say signal a shift in how developing countries deal with pharmaceuticals, South Africa, Colombia and others have recently adopted a more combative approach towards drugmakers, pushing back on policies that deny treatment to millions of people with tuberculosis and HIV. (AP Photo/Denis Farrell, File)
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