TY - STAND AU - I. Carey AU - D. Cook AU - S. De Wilde AU - S. Bremner AU - N. Richards AU - S. Caine AU - D. Strachan AU - S. Hilton BT - BMC Fam Pract DO - 10.1186/1471-2296-4-14 PY - 2003 EP - 14 T2 - BMC Fam Pract TI - Implications of the problem orientated medical record (POMR) for research using electronic GP databases: a comparison of the Doctors Independent Network Database (DIN) and the General Practice Research Database (GPRD) VL - 4 SN - 1471-2296 ER -