المؤلفون: Freeman, Simon Richard Mackenzie, Ramsden, Richard Thomas, Saeed, Shakeel Riaz, Alzoubi, Firas Qaseem, Simo, Ricard, Rutherford, Scott Alexander, King, Andrew Thomas

المصدر: Otology & Neurotology ; volume 28, issue 8, page 1076-1082 ; ISSN 1531-7129

الاتاحة: http://dx.doi.org/10.1097/mao.0b013e318159e76a
https://journals.lww.com/10.1097/MAO.0b013e318159e76a