HIV-1 drug resistance and genetic transmission networks among patients with sexually transmitted HIV in Ningxia, China - Pei, Jianxin; Wu, Zhonglan; Si, Bingqian; Ma, Chunhua; Liu, Yichang; Ma, Xiaofa; Kuai, Wenhe; Zhang, Yinhao; Li, Yong (Frontiers in Public Health, 2025)