RT Journal Article SR Electronic T1 Is it time to replace the bleeper system with smart phones? JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 400 OP 400 DO 10.7861/clinmedicine.12-4-400 VO 12 IS 4 A1 K Sajjad A1 S Shandilya A1 V Adhiyaman YR 2012 UL http://www.rcpjournals.org/content/12/4/400.abstract