@misc{indiciaed4b95e4c6b2b, title = {A ring-shaped eruption.}, author = {Jonathan S Alexander and Parwathi Uma Paniker}, year = {2006}, doi = {10.1016/j.amjmed.2005.12.002}, url = {https://pubmed.ncbi.nlm.nih.gov/16443412/}, note = {Source identifier: 16443412} }