Immunoglobulin G subclasses of fluorescent anti-Treponema pallidum antibodies: evidence for sequential development of specific anti-T. pallidum immunoglobulin G responses in patients with early syphilis

荧光标记的抗梅毒螺旋体抗体的免疫球蛋白G亚类：早期梅毒患者特异性抗梅毒螺旋体免疫球蛋白G反应的顺序发展证据