University of Michigan - Recruiting 18 years to 35 years. - Micronutrient Intervention to Reduce Noise-Induced Hearing Loss: Prevention of Temporary Threshold Changes Induced by Use of a Digital Music Player.
Micronutrient Supplement, capsule form; Placebo, capsule form; Dietary supplement consisting of beta-carotene, vitamins C and E, magnesium; Placebo Control
National Cancer Institute (NCI) - Recruiting 18 years or older. - A Multicenter Randomized Study of Cochlear Sparing Intensity Modulated Radiotherapy Versus Conventional Radiotherapy in Patients With Parotid Tumors.