JAMA Internal Medicine: Pathology of Head & Neck Topic Collection http://archinte.jamanetwork.com/ en-us Mon, 11 Mar 2013 00:00:00 GMT Mon, 11 Mar 2013 15:52:12 GMT Silverchair editor@archinte.jamanetwork.com webmaster@archinte.jamanetwork.com Atrioventricular Block With 2:1 Conduction—Discussion http://archinte.jamanetwork.com/article.aspx?articleID=1570091 Mon, 11 Mar 2013 00:00:00 GMT 173 5 336 337 10.1001/jamainternmed.2013.3182b http://archinte.jamanetwork.com/article.aspx?articleID=1570091