RT Journal Article SR Electronic T1 Silver nitrate cautery and epistaxis. JF Archives of Emergency Medicine JO Arch Emerg Med FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 233 OP 233 DO 10.1136/emj.6.3.233 VO 6 IS 3 A1 Barr, G D YR 1989 UL http://emj.bmj.com/content/6/3/233.abstract AB