Long Term Exposure to Tenofovir Disoproxil Fumarate-Containing Antiretroviral Therapy Is Associated with Renal Impairment in an African Cohort of HIV-Infected Adults oleh Oche O. Agbaji MBBS, Isaac O. Abah B.Pharm, MPH, Augustine O. Ebonyi MBBS, MSc, Zumnan M. Gimba MBBS, Esla E. Abene MBBS, Simji S. Gomerep MBBS, Kakjing D. Falang PhD, Joseph Anejo-Okopi PhD, Patricia A. Agaba MBBS, Placid O. Ugoagwu BSc, Emmanuel I. Agaba MBBS, Godwin E. Imade PhD, Atiene S. Sagay MBBS, Prosper Okonkwo MBBS, John A. Idoko MBBS, Phyllis J. Kanki DVM, DSc