TY - JOUR T1 - Evaluation of an External Quality Assessment Program for HIV Testing in Tigray North Ethiopia 2016 JO - Journal of Clinical Research In HIV AIDS And Prevention VL - 3 IS - 2 SP - 1 EP - 8 PY - 2017/2// T2 - AU - Gebrehiwet, Tesfahuneygn AU - Gebremichael, Gebreegziabher SN - 2324-7339 DO - https://doi.org/10.14302/issn.2324-7339.jcrhap-17-1679 UR - https://jndc-chemistryarticles.infojcrhap/article/631 KW - human immunodeficiency KW - HIV Testing points and External Quality Assurance ER -