21
Published 2019
National Institute for Health and Care Excellence (UK)

22
Published 2019
National Institute for Health and Care Excellence (UK)

23
Published 2020
National Institute for Health and Care Excellence

25
Published 2008
National Institute for Health and Clinical Excellence (NICE)

26
Published 2020
National Institute for Health and Care Excellence

27
by Packham, Karen
Published 2010
Royal College of Obstetricians and Gynaecologists

28
Published 2011
National Institute for Health and Clinical Excellence

29
Published 2019
National Institute for Health and Care Excellence

30
Published 2010
National Institute for Health and Clinical Excellence

31
by Watts, Geoff
Published 2007
National Institute for Health and Clinical Excellence (NICE)

33
Published 2011
National Clinical Guideline Centre at the Royal College of Physicians

34
Published 2020
National Institute for Health and Care Excellence (UK)

35
Published 2012
National Clinical Guideline Centre

36
Published 2010
National Clinical Guideline Centre at the Royal College of Physicians

37
Published 2014
National Institute for Health and Care Excellence (UK)

38
Published 2012
published by the National Clinical Guideline Centre at the Royal College of Physicians

39
Published 2008
Royal College of Nursing

40
Published 2010
National Institute for Health and Clinical Excellence