In 1982, at Cedars-Sinai Medical Hospital, I presented patients with confirmed severe SD who told of recovering their speaking voices by DVR. The late Henry J. Rubin, a well-known ENT specialist, asked during the presentation:

"We know that you are the only one successful by speech therapy. Why?"

The answer is, "I do not do speech therapy; I do Direct Voice Rehabilitation."

In 1990, Dr. Rubin commented: "In the fifteen years immediately preceding my retirement from the active practice of otolaryngology, I have referred my patients in need of voice rehabilitation to Dr. Cooper because his results proved to be the most consistently satisfactory. His methods seemed essentially to be quite simple, in fact to the point sometimes of challenging believability, but they worked. He explains these methods in his book, and I believe that any voice therapist who gives them a serious and unbiased trial will be agreeably surprised."

In 1993 he wrote to me: "The medical and speech professions may continue to deny your obvious successes but it is because of unfamiliarity with what you actually do. Ignorance of your methods breeds fear, and that equates with resistance and denial."