Manuel E. Villegas Jr., Agnes T. Remulla, Erasmo G. Llanes, Filipina Encarnacion F. Cevallos, Miguel Neil C. Bravo, Christine O. Del Monte, Abner L. Chan, Abner L. Chan
OBJECTIVES: To determine and compare attenuation of sound of different commercially available earplugs among Filipino volunteers with normal-hearing acuity, and to determine acceptability in terms of ease of insertion, cost and comfort.
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