Patients Present Earlier and Survival Has Improved, but Pre-ART Attrition Is High in a Six-Year HIV Cohort Data from Ethiopia Mulissa, Zewdie ; Jerene, Degu ; Lindtjørn, Bernt Abstract Publication: PLoS ONE Pub Date: October 2010 DOI: 10.1371/journal.pone.0013268 Bibcode: 2010PLoSO...513268M