@misc{indiciae41089b8c39d7, title = {[Rheumatoid serology: insufficient using a single test].}, author = {S Ferri and B Facchini and G Posteraro and C Amoresano and L Favaro and C Brillante}, year = {1987}, url = {https://pubmed.ncbi.nlm.nih.gov/3441593/}, note = {Source identifier: 3441593} }