rtp antigen4d

IB-rTp using 137 serum samples, 61 of which were from patients with a clinical and or laboratory diagnosis of syphilis. rtp semitoto For IB, the antigen was dotted onto a nitrocellulose membrane using a Bio-Dot SF apparatus (Bio-Rad, Hercules, CA, USA), and the mem-brane was cut into 3. rtp space 0- or 4 5-mm wide strips After titration, the following amounts