Publisher: BMJ Pub. Group Country of Publication: England NLM ID: 9602087 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1468-201X (Electronic) Linking ISSN: 13556037 NLM ISO Abbreviation: Heart Subsets: MEDLINE
Publisher: Mosby-Year Book Country of Publication: United States NLM ID: 8801388 Publication Model: Print Cited Medium: Print ISSN: 0894-7317 (Print) Linking ISSN: 08947317 NLM ISO Abbreviation: J Am Soc Echocardiogr Subsets: MEDLINE