Okamoto, H [Achalasia of the esophagus--in the surgical field]. [electronic resource] - Nihon rinsho. Japanese journal of clinical medicine Mar 1970 - 910-1 p. digital Publication Type: Journal Article ISSN: 0047-1852 Subjects--Topical Terms: Esophageal Achalasia--surgeryEsophagus--surgeryHumans