RT Journal Article SR Electronic T1 Noise-induced hearing loss and industrial audiometry. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 770 OP 780 VO 26 IS 171 A1 E. T. Somerville YR 1976 UL http://bjgp.org/content/26/171/770.abstract AB