1
Published 2007
National Institute for Health and Clinical Excellence (NICE)

2
Published 2010
National Institute for Health and Clinical Excellence (NICE)

3
Published 2006
National Institute for Health and Clinical Excellence (NICE)

4
Published 2012
National Institute for Health and Clinical Excellence (NICE)

5
Published 2012
National Institute for Health and Clinical Excellence (NICE)

6
Published 2009
National Institute for Health and Clinical Excellence (NICE)

7
Published 2011
National Institute for Health and Clinical Excellence (NICE)

8
by Watts, Geoff
Published 2006
National Institute for Health and Clinical Excellence (NICE)

9
Published 2009
National Institute for Health and Clinical Excellence

10
Published 2012
National Clinical Guideline Centre at the Royal College of Physicians

11
Published 2011
National Institute for Health and Clinical Excellence

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

14
Published 2012
National Clinical Guideline Centre

15
Published 2020
National Institute for Health and Care Excellence

16
Published 2019
National Institute for Health and Care Excellence

17
Published 2019
National Institute for Health and Care Excellence

18
Published 2019
National Institute for Health and Care Excellence (UK)

19
Published 2011
National Institute for Health and Clinical Excellence

20
Published 2020
National Institute for Health and Care Excellence