title: [Use of vectorcardiography in the diagnosis of circulatory diseases. 2. 5-year follow-up study and changes in VCG].
mesh_terms: D000368:Aged; D002318:Cardiovascular Diseases / Q000175:diagnosis*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D014672:Vectorcardiography