@article{Gebrehiwet20171 title = "Evaluation of an External Quality Assessment Program for HIV Testing in Tigray North Ethiopia 2016", journal = "Journal of Clinical Research In HIV AIDS And Prevention", volume = "3", number = "2", pages = "1 - 8", year = "2017", note = "", issn = "2324-7339", doi = "https://doi.org/10.14302/issn.2324-7339.jcrhap-17-1679", url = "https://openaccesspub.orgjcrhap/article/631", author = "Tesfahuneygn Gebrehiwet and Gebreegziabher Gebremichael", keywords = "human immunodeficiency", keywords = "HIV Testing points and External Quality Assurance" }