TY - STAND AU - J. Oyinlola AU - J. Campbell AU - A. Kousoulis BT - BMC Health Serv Res DO - 10.1186/s12913-016-1562-8 PY - 2016 EP - 299 T2 - BMC Health Serv Res TI - Is real world evidence influencing practice? A systematic review of CPRD research in NICE guidances VL - 16 SN - 1472-6963 ER -