@misc{indiciae0e376928d791, title = {'Overlap' syndromes.}, author = {R Cervera and M A Khamashta and G R Hughes}, year = {1990}, doi = {10.1136/ard.49.11.947}, url = {https://pubmed.ncbi.nlm.nih.gov/2256747/}, note = {Source identifier: 2256747} }