DepartmentofDermatology;
ChinaJapanFriendshipHospital;
Beijing100029;
China;
InstituteofClinicalMedicalSciences;
ChinaJapanFriendshipHospital;
Beijing100029;
China;
DepartmentofClinicalLaboratory;
ChinaJapanFriendshipHospital;
Beijing100029;
China;
梅毒; 抗苍白螺旋体IgM抗体; 酶联免疫吸附实验; 诊断;