| http://www.w3.org/ns/prov#value | - The volunteers, 82 percent of whom had no HIV-related symptoms at study entry, were followed for a median of 143 weeks.~1,067 patients (43 percent of total) had never taken any anti-HIV drugs, including AZT.The mean CD4+ T cell count at study entry was 372/mm3 in this AZT-naive group.~1,400 patients (57 percent) had previously taken AZT for weeks to many months prior to enrollment in the study;
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