BEESTON, Lisa (2007) Chapter :Palliative Care, Cancer Care, and End of Life. In: Pain in Older People. Oxford Pain Management Library. OUP, Oxford, pp. 1-198.
Fernando, Ruwan J, Sultan, Abdul H, KETTLE, Christine, Radley, Simon, Jones, Peter and O'Brien, P M S (2007) Repair techniques for obstetric anal sphincter injuries: a randomized controlled trial. Obstetrics and Gynecology, 107 (6). pp. 1261-1268. ISSN 0029-7844