SEARCH

SEARCH BY CITATION

References

  • 1
    Institute of Medicine. From development to use. In: FieldsMJ, LohrKN, editors. Guidelines for Clinical Practice. Washington DC : National Academic Press, 1992.
  • 2
    Clinical Resource and Audit Group. Clinical Guidelines: Working Group Report. Edinburgh : Scottish Office Home and Health Department, 1993.
  • 3
    Nuffield Institute for Health, University of Leeds, Centre for Health Economics and the NHS Centre for Reviews and Dissemination, University of York. Research Unit, Royal College of Physicians. Implementing Clinical Practice Guidelines: Can guidelines be used to improve clinical practice? Effective Health Care Bulletin No: 8. Nuffield Institute for Health, University of Leeds, 1994.
  • 4
    Lilford RJ, Kelly M, Baines A et al. Effect of using protocols on medical care: randomised trial of three methods of taking an antenatal history. BMJ 1992; 305: 11811184.
  • 5
    Chadha YC. Guidelines in Gynaecology: Development dissemination and implementation in the National Health Service, Scotland. [MSc Thesis]. Aberdeen , Aberdeenshire , University of Aberdeen, 1996.
  • 6
    Cochran WG, Cox GM. Experimental Design. New York : John Wiley, 1957.
  • 7
    Russell IT. Clinical trials and evaluation of surgical procedures. Surgery 1984; 1: 196199.
  • 8
    Moser CA, Cox GM. Survey Methods in Social Investigation. Aldershot : Gower, 1971.
  • 9
    Altman DG. Statistics and ethics in medical research: III. How large a sample BMJ 1980; 281: 13361338.
  • 10
    Ruta DA, Garratt AM, Chadha YC, Flett GM, Hall MH, Russell IT. Assessment of patients with menorrhagia: How valid is clinical history as a measure of health status Qual Life Res 1995; 4: 3340.
  • 11
    Ward JE. Standards for validating health measures: definition and content. Journal of Chronic Diseases 1987; 40: 473480.
  • 12
    GLIM 4. The Statistical System for Generalised Linear Interactive Modelling. Oxford : Numerical Algorithms Group, 1983.
  • 13
    Whiting-O'Keefe QE, Henke C, Simborg DW. Choosing the correct unit of analysis in medical care experiments. Med Care 1984; 22: 11011114.
  • 14
    Heckman JJ. Sample selection bias as a specification error. Econometrica 1979; 47: 153161.
  • 15
    LIMDEP. User's Manual. New York : Econometric Software, Inc, 1995.
  • 16
    Campbell MK, Steen IN, Grimshaw JM et al. Design and statistical issues in implementation research. In: MakaelaM, ThoresonT, editors. Changing Professional Practice. Copenhagen : Danish Institute of Health Services Research and Development, 1999.
  • 17
    Duffy SW, South MC, Day NE. Cluster randomisation in large public health trials: the importance of antecedent data. Stat Med 1992; 11: 307316.
  • 18
    Altman DG, Bland JM. Statistics notes. Units of analysis. BMJ 1997; 314: 1874.
  • 19
    Woolf SH, Grol R, Hutchinson A, Eccles MP, Grimshaw JM. Clinical practice guidelines. The potential benefits, limitations, and harms of recommending how to care for patients. BMJ 1999; 318: 527530.