PT - JOURNAL ARTICLE AU - Anil K Agarwal AU - Ranjna Garg AU - Mary Simon TI - Ring enhancing lesion on CT scan: metastases or a brain abscess? AID - 10.1136/emj.2006.041913 DP - 2007 Oct 01 TA - Emergency Medicine Journal PG - 706--706 VI - 24 IP - 10 4099 - http://emj.bmj.com/content/24/10/706.short 4100 - http://emj.bmj.com/content/24/10/706.full SO - Emerg Med J2007 Oct 01; 24