The performance of using dried blood spot specimens for HIV-1 viral load testing: A systematic review and meta-analysis. oleh Lara Vojnov, Sergio Carmona, Clement Zeh, Jessica Markby, Debrah Boeras, Marta R Prescott, Anthony L H Mayne, Souleymane Sawadogo, Christiane Adje-Toure, Guoqing Zhang, Mercedes Perez Gonzalez, Wendy S Stevens, Meg Doherty, Chunfu Yang, Heather Alexander, Trevor F Peter, John Nkengasong, DBS for VL Diagnostics Investigation Consortium