%0 Journal Article %J BMJ Open %D 2016 %T Impact analysis studies of clinical prediction rules relevant to primary care: a systematic review %A Wallace, E %A Uijen, M %A Clyne, B %A Zarabzadeh, A %A Keogh, C %A Galvin, R %A Smith, SM %A Fahey, T %B BMJ Open %V 6:e009957 %8 2016 %G eng %N 3 %R 10.1136/bmjopen-2015-009957