Fig. 3From: Noise exposure and auditory thresholds of military musicians: a follow up studyAudiograms (difference between later audiogram (2) and first audiogram (1)) of military musicians taken within a 13.3 years time-span, thereby comparing both ears separately with the age-induced hearing loss according to the current ISO 7029:2000 [26] and the draft ISO 7029:2014 [27] at the same mean agesBack to article page