McQuay H, Moore A. Need for rigorous assessment of palliative care. Br Med J1994; 309: 1315–1316.
2.
McWhinney IR, Bass MJ, Donner A. Evaluation of a palliative care service: problems and pitfalls. Br Med J1994; 309: 1340–1342.
3.
Rinck GC, van den Bos GA, Kleijnen J, de Haes HJ, Schade E, Veenhof CH. Methodologic issues in effectiveness research on palliative care: a systematic review. J Clin Oncol1997; 15: 1697–1707.
4.
Higginson IJ. Evidence based palliative care. Br Med J1999; 319: 462–463.
5.
Salisbury C, Bosanquet N. Assessing palliative care is difficult. Br Med J2000; 320: 942.
6.
Keeley D. Rigorous assessment of palliative care revisited. Br Med J1999; 319: 1447–1448.
7.
Ahmedzai S. Evidence based medicine in palliative care: a systematic mistake?Prog Pall Care1997; 5: 97–99.
8.
Clark D. What is qualitative research and what can it contribute to palliative care?Pall Med1997; 11: 159–166.
9.
Sackett DL. Rules of evidence and clinical recommendations on the use of antithrombotic agents. Chest1986; 89(suppl): 2S–3S.
10.
Cochrane website: www.cochrane.co.uk.
11.
Mannix K, Ahmedzai S, Anderson H, Bennett M, Lloyd-Williams M, Wilcock A. Using bisphosphonates to control the pain of bone metastases: evidence-based guidelines for palliative care. Pall Med2000; 14: 455–461.