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Deep Learning Technology: Sebastian Arnold, Betty van Aken, Paul Grundmann, Felix A. Gers and Alexander Löser. Learning Contextualized Document Representations for Healthcare Answer Retrieval. The Web Conference 2020 (WWW'20)
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The list of signs and symptoms mentioned in various sources for presbylarynx includes the 4 symptoms listed below:
1. Hoarseness
2. Breathy voice
3. Reduced voice volume
4. Unstable voice pitch
Note that presbylarynx symptoms usually refers to various symptoms known to a patient, but the phrase "presbylarynx signs" may refer to those signs only noticeable by a doctor.
The presbylarynx is a condition in which age-related atrophy of the soft tissues of the larynx results in weak voice and restricted vocal range and stamina. In other words, it is the loss of vocal fold tone and elasticity due to aging which affects voice quality.