Payont Hanphadungkit. (1995) IgG index IgM index TPHA index and Albumin ratio in latent syphilis. <i>Journal of Medicine and Health Sciences</i>, <i>2</i>(2), 61-68.Payont Hanphadungkit. "IgG index IgM index TPHA index and Albumin ratio in latent syphilis". Journal of Medicine and Health Sciences 2 (1995):61-68.Payont Hanphadungkit. IgG index IgM index TPHA index and Albumin ratio in latent syphilis. Faculty of Medicine,Srinakharinwirot University:ม.ป.ท. 1995.