1. BACTIS Personal Interfaced Hearing Protection;Angwin, M.J.
2. Ear injuries sustained by (PIHP) Safety Report;Breeze, J.; Cooper, H.; Pearson, C.R.,2010
3. hearing conservation. Mil Med 2007; 172: 520-2.
4. Postdeployment hearing loss in U. S. Army soldiers seen at audiology clinics from;Helfer, T.M.; Jordan, N.N.; Lee, R.B.;Am J Audiol,2003