Efficacy of 3 commonly used hearing aid circuits: A crossover trial

Vernon D. Larson, David W. Williams, William G. Henderson, Lynn E. Luethke, Lucille B. Beck, Douglas Noffsinger, Richard H. Wilson, Robert A. Dobie, George B. Haskell, Gene W. Bratt, Janet E. Shanks, Patricia Stelmachowicz, Gerald A. Studebaker, Allen E. Boysen, Amy Donahue, Rinaldo Canalis, Stephen A. Fausti, Bruce Z. Rappaport