RT Journal Article SR Electronic T1 Field evaluation of a smartphone-based electronic reader of rapid dual HIV and syphilis point-of-care immunoassays JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP 589 OP 593 DO 10.1136/sextrans-2017-053511 VO 94 IS 8 A1 Lao-Tzu Allan-Blitz A1 Silver K Vargas A1 Kelika A Konda A1 Sasha Herbst de Cortina A1 Carlos F Cáceres A1 Jeffrey D Klausner YR 2018 UL http://sti.bmj.com/content/94/8/589.abstract AB Markup server — Error Error There was a problem handling your request. Please try again in a few minutes, or contact us if you continue to experience this problem.