Alarcon-Segovia Diagnostic Criteria for Mixed Connective Tissue Disease (MCTD)
1. Serological criteria: Positive anti U1 RNP at haemagglutination titer >1:1600
2. Clinical criteria:
Alarcon-Segovia Diagnostic Criteria for Mixed Connective Tissue Disease (MCTD)
1. Serological criteria: Positive anti U1 RNP at haemagglutination titer >1:1600
2. Clinical criteria: