Comparative analysis of temporal and spatial characteristics of primary and secondary syphilis in Jingzhou City, 2011 - 2019
LIN Mao-wen, LIU Rui, ZHANG Fan, SUN Chun
South China Journal of Preventive Medicine . 2021, (2): 141 -145 .  DOI: 10.12183/j.scjpm.2021.0141