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Birhanu, Molla Yigzaw, Cheru Tesema Leshargie, Animut Alebel, Fasil Wagnew, Melkamu Siferih, Tsige Gebre, a Getiye Dejenu Kibret. "Incidence and Predictors of Loss to Follow-up Among HIV-positive Adults in Northwest Ethiopia: A Retrospective Cohort Study." Trop Med Health 2020.

Birhanu, Molla Yigzaw, et al. "Incidence and Predictors of Loss to Follow-up Among HIV-positive Adults in Northwest Ethiopia: A Retrospective Cohort Study." Trop Med Health 2020.