RT Journal Article SR Electronic T1 Iatrogenic foreign body in an adult with presbyacusis JF BMJ Case Reports FD BMJ Publishing Group Ltd SP bcr-2017-222913 DO 10.1136/bcr-2017-222913 VO 2018 A1 Morley, Hannah Louise YR 2018 UL http://casereports.bmj.com/content/2018/bcr-2017-222913.abstract AB