@misc{indiciaef8b6ed31a53f, title = {Cryoglobulins are not essential.}, author = {M Trendelenburg and J A Schifferli}, year = {1998}, doi = {10.1136/ard.57.1.3}, url = {https://pubmed.ncbi.nlm.nih.gov/9536813/}, note = {Source identifier: 9536813} }