PT - JOURNAL ARTICLE AU - Phil Wiffen AU - Tommy Eriksson AU - Hao Lu TI - Chapter 5: The tools of evidence-based medicine AID - 10.1136/ejhpharm-2014-000442 DP - 2014 Apr 01 TA - European Journal of Hospital Pharmacy PG - 74--78 VI - 21 IP - 2 4099 - http://ejhp.bmj.com/content/21/2/74.short 4100 - http://ejhp.bmj.com/content/21/2/74.full SO - Eur J Hosp Pharm2014 Apr 01; 21