RT Journal Article SR Electronic T1 HIV-1 DNA drug resistance testing to guide successful suppression of low-level viraemia: a case report JF Sexually Transmitted Infections JO Sex Transm Infect FD BMJ Publishing Group Ltd SP sextrans-2023-055860 DO 10.1136/sextrans-2023-055860 A1 Bianchuan Cao A1 Mei Liu A1 Rui Zhu A1 Tianru Yuan A1 A’shamu E’er A1 Shaofang Song A1 Tong Wang A1 Li Zhong YR 2023 UL http://sti.bmj.com/content/early/2023/08/28/sextrans-2023-055860.abstract AB