[The characteristics of the clinical manifestations of cardiospasm at different stages].
El'darkhanov
V A
VA
D000293:Adolescent; D000328:Adult; D002637:Chest Pain / Q000175:diagnosis; D002908:Chronic Disease; D003680:Deglutition Disorders / Q000175:diagnosis; D003937:Diagnosis, Differential; D004931:Esophageal Achalasia / Q000145:classification / Q000150:complications / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged