Dr. Verdolini Abbotts Lessac-Madsen Resonant Voice Therapy DVD provides an overview and demonstration of the Lessac-Madsen Resonant Voice Therapy, for clinicians who have completed the course, or who are taking the course presently. Dynamically and thoughtfully presented, this program should be on the shelf of every voice clinician working with patients with voice disorders. Katherine Verdolini Abbott is Professor of Communication Science and Disorders in the School of Health and Rehabilitation Sciences at the University of Pittsburgh. Used Book in Good Condition