Blaylock, T R Effects of systematized vocal warm-up on voices with disorders of various etiologies. [electronic resource] - Journal of voice : official journal of the Voice Foundation Mar 1999 - 43-50 p. digital Publication Type: Case Reports; Journal Article ISSN: 0892-1997 Standard No.: 10.1016/s0892-1997(99)80060-5 doi Subjects--Topical Terms: AdultFemaleHumansMaleMiddle AgedSound SpectrographyVoice Disorders--diagnosisVoice Quality