Sabin, C A Survival after a very low (< 5 x 10(6)/l) CD4+ T-cell count in individuals infected with HIV. [electronic resource] - AIDS (London, England) Jul 1997 - 1123-7 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0269-9370 Standard No.: 10.1097/00002030-199709000-00007 doi Subjects--Topical Terms: AdolescentAdultAgedCD4 Lymphocyte CountCD8-Positive T-LymphocytesChildCohort StudiesFemaleHIV Infections--immunologyHumansLondon--epidemiologyLymphocyte CountMaleMiddle AgedPrognosisProportional Hazards ModelsProspective StudiesSurvival RateTime Factors