How to strengthen my vocal cords to speak effectively - Quora
Vocal Cord Dysfunction & Breathing Exercises – Arizona Asthma and Allergy Institute
7 Basic Vocal Exercises to Improve Your Singing Voice"
What Makes A Singing Voice Stronger? by Peter Yarrow - Issuu
James Westerfield - Vocal Support and Adduction Exercises: Breath Support After spending a few days talking about breath support, vocal cord adduction (closure) and vocal hygiene, I thought it might be useful