TY  - RPRT
TI  - Systemic vasculitis: a difficult diagnosis.
AU  - E I Sato
AU  - L E Andrade
DO  - 10.1590/s1516-31801997000300002
UR  - https://pubmed.ncbi.nlm.nih.gov/9532841/
ID  - 9532841
ER  -