Update
This NICE guideline summary (BMJ 2012;344:1163, doi:10.1136/bmj.e3979) has now been superseded by a summary of updated guidance at www.bmj.com/content/369/bmj.m1565.
This NICE guideline summary (BMJ 2012;344:1163, doi:10.1136/bmj.e3979) has now been superseded by a summary of updated guidance at www.bmj.com/content/369/bmj.m1565.
