[Change in the ECG record among the rural population of the Lublin District].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011044:Poland; D012424:Rural Population; D012737:Sex Factors
Obraz zmian elektrokardiograficznych u ludności wiejskiej Lubelszczycny.