title: [ON PRECORDIAL PAIN OF EXTRACARDIAC ORIGIN].
mesh_terms: D000787:Angina Pectoris; D002637:Chest Pain; D003937:Diagnosis, Differential; D006801:Humans; D010146:Pain; D013896:Thoracic Diseases
keywords: ANGINA PECTORIS; DIAGNOSIS, DIFFERENTIAL; PAIN; THORACIC DISEASES
vernacular_title: O PREKORDIAL'NYKH BOLIAKH 'EKSTRAKARDIAL'NOGO PROISKHOZHDENIIA.