title: Attenuated HIV-1 strains share gene deletions.
mesh_terms: D016915:AIDS Vaccines; D017353:Gene Deletion; D015497:HIV-1 / Q000235:genetics*; D006801:Humans; D008297:Male; D014613:Vaccines, Attenuated
chemical_list: D016915:AIDS Vaccines; D014613:Vaccines, Attenuated