Dr. John Oller is Hawthorne Regents Professor IV at the University of Louisiana; author of 230+ peer-reviewed papers and 16 books; his current research concerns the causation, diagnosis, and treatment autism and related disorders and chronic disease conditions; he continues to mentor distinguished scholars and is an internationally renowned speaker.
"Ma and Yiu's Handbook for Voice Assessments is a handbook par excellence, certainly destined to be a landmark in the field of voice disorders. It is a concise volume that puts valuable information in the hands of readers. The contributions by experts from around the world provide a coverage of voice assessments that is extraordinary in its range and precise in its delivery." --From the Foreword by Ray D. Kent, PhD.
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