RT Journal Article SR Electronic T1 Not so random: patient complaints and ‘frequent flier’ doctors JF BMJ Quality & Safety JO BMJ Qual Saf FD BMJ Publishing Group Ltd SP 525 OP 527 DO 10.1136/bmjqs-2013-001902 VO 22 IS 7 A1 Ron Paterson YR 2013 UL http://qualitysafety.bmj.com/content/22/7/525.abstract AB