PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd TI - What is an MRI scan and what can it do? AID - 10.1136/dtb.2011.02.0073 DP - 2011 Dec 01 TA - Drug and Therapeutics Bulletin PG - 141--144 VI - 49 IP - 12 4099 - http://dtb.bmj.com/content/49/12/141.short 4100 - http://dtb.bmj.com/content/49/12/141.full SO - Drug Ther Bull2011 Dec 01; 49 AB - Magnetic resonance imaging (MRI) is a technique that produces cross-sectional images of a patient's body, using magnetism and radio waves.1 Here we discuss advantages and disadvantages of MRI scans and practical issues for clinicians and patients.