title: Preliminary experience with balloon dilation of the pylorus.
mesh_terms: D000328:Adult; D000368:Aged; D004106:Dilatation / Q000295:instrumentation / Q000379:methods; D019723:Endoscopes; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011707:Pyloric Stenosis / Q000628:therapy*