title: [Evaluation of late results of the Heller-Gronnweldt operation and its modifications introduced by Jezioro].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D004931:Esophageal Achalasia / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D013997:Time Factors
vernacular_title: Ocena wyników odległych po operacji Hellera-Groeneweldta i jej odmianach według Jezioro.