title: [X-ray studies of heart dimensions in adult twins].
mesh_terms: D000328:Adult; D002306:Cardiac Volume; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000000981:diagnostic imaging* / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D011859:Radiography; D014427:Twins
vernacular_title: Rentgenologicheskie issledovaniia razmerov serdtsa u vzroslykh bliznetsov.