title: [Esophageal spasm: clinic, diagnostic, treatment].
authors: I M
authors: IM
authors: Pichugina
authors: L D
authors: LD
authors: Firsova
mesh_terms: D000818:Animals; D015155:Esophageal Spasm, Diffuse / Q000175:diagnosis / Q000378:metabolism / Q000473:pathology / Q000503:physiopathology / Q000628:therapy; D004947:Esophagus / Q000378:metabolism / Q000473:pathology / Q000503:physiopathology; D006801:Humans