Furrer, H Discontinuation of primary prophylaxis in HIV-infected patients at high risk of Pneumocystis carinii pneumonia: prospective multicentre study. [electronic resource] - AIDS (London, England) Mar 2001 - 501-7 p. digital Publication Type: Clinical Trial; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't ISSN: 0269-9370 Standard No.: 10.1097/00002030-200103090-00009 doi Subjects--Topical Terms: AdultAnti-HIV Agents--therapeutic useCD4 Lymphocyte CountCohort StudiesDrug Therapy, CombinationHIV Infections--complicationsHumansLymphocyte CountMaleMiddle AgedPneumonia, Pneumocystis--prevention & controlProspective StudiesRNA, Viral--analysisRisk FactorsT-Lymphocyte Subsets