{Reference Type}: Journal Article {Title}: An Enlarging Lumbar Mass. {Author}: Blumberg J;Benavides JW;Freund MR; {Journal}: J Emerg Med {Volume}: 65 {Issue}: 1 {Year}: 2023 07 25 {Factor}: 1.473 {DOI}: 10.1016/j.jemermed.2023.04.005