RT Journal Article SR Electronic T1 Toy balloons and longevity: watch for the wrinkles! JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 207 OP 207 DO 10.7861/clinmedicine.10-2-207 VO 10 IS 2 A1 Coemgenus YR 2010 UL http://www.rcpjournals.org/content/10/2/207.abstract