the drug sensitivities of human immunodeficiency virus ( hiv ) isolates from a group of patients with acquired immunodeficiency syndrome ( aids ) or aids-related complex ( arc ) who were receiving zidovudine ( 3'-azido-3'-deoythymidine , azt ) therapy were tested by means of a newly developed plaque assay in cd4+ hela cells .
C0001175
aids
C0043474
azt