title: [Esophageal spasm: a frequent cause of spontaneous precordial pain].
mesh_terms: D000788:Angina Pectoris, Variant / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004935:Esophageal Diseases / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000209:etiology*; D013035:Spasm / Q000175:diagnosis
vernacular_title: Le spasme oesophagien: une cause fréquente de précordialgies spontanées [letter]