Figure 1 .
Different combinations of reactivities towards Ro52, Ro60, and SSB defined by line immunoassay. Lane a: anti-Ro52 antibodies; lane b: anti-Ro60 antibodies; lane c: anti-SSB antibodies; lane d: anti-Ro52 and anti-Ro60 antibodies; lane e: anti-Ro60 and anti-SSB antibodies; lane f: anti-Ro52 and anti-SSB antibodies; lane g: anti-Ro52 and anti-Ro60 and anti-SSB antibodies.