Pharyngeal Sensation and Gag Reflex in Healthy SubjectsLancet 345:487-488, Davies,A.E.,et al, 1995
Myotonic DystrophyIn Myology, Engel & Franzini-Armstrong, McGraw-Hill, Inc, New York V2, Ch 43, P1192, Harper,P.S.&Rudel,R., 1994