50
Participants
Start Date
August 31, 2001
Primary Completion Date
December 31, 2006
Study Completion Date
December 31, 2006
Bougie Dilation
Bougie dilation will be performed as standard
Needle-knife incision
Needle-knife incision will be performed
University of Utah HSC, Salt Lake City
PriCara, Unit of Ortho-McNeil, Inc.
INDUSTRY
University of Utah
OTHER