Discussion: PDF Only***Velopharyngeal Insufficiency due to Hypoplasia of the Musculus Uvulae and Occult Submucous Cleft PalateLewin, Michael L. M.D.; Croft, Charles B. M.D.; Shprintzen, Robert J. Ph.D. Author Information Brone, N.Y. at the Montefiore Hospital and Medical Center and Albert Einstein College of Medicine. Plastic and Reconstructive Surgery: May 1980 - Volume 65 - Issue 5 - p 585-591 Buy ©1980American Society of Plastic Surgeons