title: San Francisco: viral load trial offers free tests.
mesh_terms: D002986:Clinical Trials as Topic; D004279:DNA, Viral / Q000032:analysis*; D006678:HIV / Q000235:genetics*; D015658:HIV Infections / Q000628:therapy / Q000821:virology*; D006801:Humans; D012495:San Francisco
chemical_list: D004279:DNA, Viral