@misc{indiciaec90b95d99b9b, title = {Antiphospholipid antibodies.}, author = {S R Levine and K M Welch}, year = {1989}, doi = {10.1002/ana.410260312}, url = {https://pubmed.ncbi.nlm.nih.gov/2508536/}, note = {Source identifier: 2508536} }