RT Journal Article SR Electronic T1 Clinical challenges on how to optimise the use of drugs beyond the label JF European Journal of Hospital Pharmacy: Science and Practice JO Eur J Hosp Pharm FD British Medical Journal Publishing Group SP 68 OP 68 DO 10.1136/ejhpharm-2012-000066 VO 19 IS 2 A1 van Elk, Birte A1 Kruger-Peters, Sandra A1 Torqui, Aimad A1 Leufkens, Hubertus A1 Hekster, Yechiel YR 2012 UL http://ejhp.bmj.com/content/19/2/68.abstract AB