TY - STAND AU - E. Kontopantelis AU - D. Reeves AU - J. Valderas AU - S. Campbell AU - T. Doran BT - BMJ Qual Saf DO - 10.1136/bmjqs-2012-001033 M1 - 1 PY - 2013 SP - 53 EP - 64 T2 - BMJ Qual Saf TI - Recorded quality of primary care for patients with diabetes in England before and after the introduction of a financial incentive scheme: a longitudinal observational study VL - 22 SN - 2044-5415 ER -