Comparative, cross-sectional study of the format, content and timing of medication safety letters issued in Canada, the USA and the UK
Lise M Bjerre, Simon Parlow, David de Launay, Matthew Hogel, Cody D Black, Donald R Mattison, Jeremy M Grimshaw, Margaret C Watson
BMJ Open Oct 2018, 8 (10) e020150; DOI: 10.1136/bmjopen-2017-020150