title: [Endoscopic placement of a cardial dilator--an alternative before surgery].
mesh_terms: D000328:Adult; D000368:Aged; D004106:Dilatation / Q000379:methods*; D004724:Endoscopy; D004931:Esophageal Achalasia / Q000628:therapy*; D006801:Humans; D008875:Middle Aged; D009543:Nifedipine / Q000627:therapeutic use; D011613:Psychotherapy
chemical_list: D009543:Nifedipine
vernacular_title: Endoskopische Plazierung eines Kardiadilatators--Alternative vor der Chirurgie.