PT - JOURNAL ARTICLE AU - J H Oh AU - H I Na TI - Spontaneous pneumocephalus AID - 10.1136/emj.2008.071241 DP - 2010 Mar 01 TA - Emergency Medicine Journal PG - 220--220 VI - 27 IP - 3 4099 - http://emj.bmj.com/content/27/3/220.short 4100 - http://emj.bmj.com/content/27/3/220.full SO - Emerg Med J2010 Mar 01; 27