Publisher: American College of Physicians--American Society of Internal Medicine Country of Publication: United States NLM ID: 0372351 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1539-3704 (Electronic) Linking ISSN: 00034819 NLM ISO Abbreviation: Ann Intern Med Subsets: MEDLINE
Publisher: Pergamon Press Country of Publication: England NLM ID: 0410553 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-291X (Electronic) Linking ISSN: 03015629 NLM ISO Abbreviation: Ultrasound Med Biol Subsets: MEDLINE