title: Spectrographic analysis of fundamental frequency and hoarseness before and after vocal rehabilitation.
mesh_terms: D000162:Acoustics; D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D005374:Filtration; D005500:Follow-Up Studies; D006685:Hoarseness; D006801:Humans; D007818:Laryngeal Diseases / Q000534:rehabilitation*; D008297:Male; D008875:Middle Aged; D010781:Photography; D014831:Voice