RT Journal Article SR Electronic T1 A persistently swollen lip JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 12 OP 15 DO 10.3949/ccjm.76a.08030 VO 76 IS 1 A1 Vañó-Galván, Sergio A1 Moreno-Martin, Paula A1 Arrazola, José-María A1 Jaén, Pedro YR 2009 UL http://www.ccjm.org/content/76/1/12.abstract AB