RT Journal Article SR Electronic T1 Needle aspiration or chest drain for spontaneous pneumothorax. JF Journal of Accident & Emergency Medicine JO Arch Emerg Med FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 280 OP 281 DO 10.1136/emj.16.4.280-a VO 16 IS 4 A1 Mukerjee, A YR 1999 UL http://emj.bmj.com/content/16/4/280.2.abstract AB