with the exception of the pioneering work by damste in the mid 1960s and early '70 's , no long term quantitative research on voice changes subsequent to drug therapy has been reported . this study reports the effects of a specific cortico-steroid , triamcinolone acetonide , on selected aerodynamic and acoustic parameters reflecting the vocal performance of twenty-one chronic asthmatic steroid dependent individuals . measurements of the subjects ' vocal fundamental frequency , maximum phonation time , oral air volume velocity , and peak intra-oral air pressure during production of selected speech stimuli were made before the introduction of triamcinolone and following the first and second years of drug use .
C0040866
triamcinolone acetonide
C0040864
triamcinolone