1
Published 2012
National Clinical Guideline Centre at The Royal College of Physicians

2
Published 2012
National Clinical Guideline Centre at the Royal College of Physicians

3
Published 2012
National Clinical Guideline Centre at the Royal College of Physicians

4
Published 2010
National Institute for Health and Clinical Excellence

5
Published 2011
National Institute for Health and Clinical Excellence

6
Published 2012
published by the National Clinical Guideline Centre at the Royal College of Physicians

8
Published 2009
National Institute for Health and Clinical Excellence

9
Published 2011
National Institute for Health and Clinical Excellence

10
Published 2010
National Institute for Health and Clinical Excellence (NICE)

11
Published 2015
National Institute for Health and Care Excellence

12
by Welsh, Andrew
Published 2010
Royal College of Obstetricians and Gynaecologists

13
Published 2009
National Institute for Health and Clinical Excellence

14
Published 2011
National Institute for Health and Clinical Excellence

15
by Watts, Geoff
Published 2006
National Institute for Health and Clinical Excellence (NICE)

16
Published 2011
National Institute for Health and Clinical Excellence (NICE)

17
Published 2008
National Institute for Health and Clinical Excellence (NICE)

18
Published 2009
National Institute for Health and Clinical Excellence (NICE)

19
Published 2008
National Institute for Health and Clinical Excellence (NICE)

20
Published 2020
National Institute for Health and Care Excellence (UK)