title: [Progressive heart conduction disorders in monozygotic twins].
mesh_terms: D002648:Child; D004200:Diseases in Twins; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000175:diagnosis / Q000235:genetics*; D006801:Humans; D008297:Male; D011247:Pregnancy; D014430:Twins, Monozygotic
vernacular_title: Postepujace zaburzenia w przewodzeniu u bliźniat jednojajowych.