00338nam a22001457a 4500020001800000082001300018100001800031245004400049250000800093260002200101300001100123654002100134700001800155700001900173  a9780727912107  a616bSIL  aSilagy, Chris  aEvidence based practice in primary care  aNil  aLondonbBMJc1998  a188 p.  aMedicine General  aSilagy, Chris  aHaines, Andrew