Bennett
2003
Bennett DA, Jull A. FDA: untapped source of unpublished trials. The
Lancet 2003; 361: 1402-1403.
De
Angelis 2004
De Angelis CD, Drazen JM, Frizelle FA, Haug C, Hoey J, Horton R, Kotzin
S, Laine C, Marusic A, Overbeke AJ, Schroeder TV, Sox HC, Van der Weyden
MB, International Committee of Medical Journal Editors. Clinical trial
registration: a statement from the International Committee of Medical
Journal Editors. JAMA 2004; 292: 1363-1364.
De
Angelis 2005
De Angelis CD, Drazen JM, Frizelle FA, Haug C, Hoey J, Horton R, Kotzin
S, Laine C, Marusic A, Overbeke AJ, Schroeder TV, Sox HC, Van der Weyden
MB, International Committee of Medical Journal Editors. Is this clinical
trial fully registered? A statement from the International Committee of
Medical Journal Editors. JAMA 2004; 293: 2927-2929.
Dickersin
2002
Dickersin K, Manheimer E, Wieland S, Robinson KA, Lefebvre C, McDonald
S, CENTRAL Development Group. Development of the Cochrane Collaboration's
CENTRAL Register of controlled clinical trials. Evaluation and the
Health Professions 2002; 25: 38-64.
Dickersin
1994
Dickersin K, Scherer R, Lefebvre C. Identifying relevant studies for systematic
reviews. BMJ 1994; 309: 1286-1291.
Eysenbach
2001
Eysenbach G, Tuische J, Diepgen TL. Evaluation of the usefulness of Internet
searches to identify unpublished clinical trials for systematic reviews.
Medical Informatics and the Internet in Medicine 2001; 26: 203-218.
Glanville
2008
Glanville, J, Bayliss, S, Booth, A, Dundar, Y, Fleeman, ND, Foster, L,
Fraser, C, Fernandes, H, Fry-Smith, A, Golder, S, Lefebvre, C, Miller,
C, Paisley, S, Payne, L, Price, AM, Welch, K, InterTASC Information Specialists'
Subgroup. So many filters, so little time: developing a tool to quality
assess methodological search filters, 2008.
Glanville
2006
Glanville JM, Lefebvre C, Miles JN, Camosso-Stefinovic J. How to identify
randomized controlled trials in MEDLINE: ten years on. Journal of the
Medical Library Association 2006; 94: 130-136.
Golder
2006
Golder S, McIntosh HM, Duffy S, Glanville J, Centre for Reviews and Dissemination
and UK Cochrane Centre Search Filters Design Group. Developing efficient
search strategies to identify reports of adverse effects in MEDLINE and
EMBASE. Health Information and Libraries Journal 2006; 23: 3-12.
Greenhalgh
2005
Greenhalgh T, Peacock R. Effectiveness and efficiency of search methods
in systematic reviews of complex evidence: audit of primary sources. BMJ
2005; 331: 1064-1065.
Hetherington
1989
Hetherington J, Dickersin K, Chalmers I, Meinert CL. Retrospective and
prospective identification of unpublished controlled trials: lessons from
a survey of obstetricians and pediatricians. Pediatrics 1989; 84:
374-380.
Hopewell
2007a
Hopewell S, Clarke M, Lefebvre C, Scherer R. Handsearching versus electronic
searching to identify reports of randomized trials. Cochrane Database
of Systematic Reviews 2007, Issue 2. Art No: MR000001.
Hopewell
2007b
Hopewell S, McDonald S, Clarke M, Egger M. Grey literature in meta-analyses
of randomized trials of health care interventions. Cochrane Database
of Systematic Reviews 2007, Issue 2. Art No: MR000010.
Horton
1997
Horton R. Medical editors trial amnesty. The Lancet 1997; 350: 756.
Khan
2001
Khan KS, ter Riet G, Glanville J, Sowden AJ, Kleijnen J (editors). Undertaking
Systematic Reviews of Research on Effectiveness: CRD's Guidance for those
Carrying Out or Commissioning Reviews (CRD Report Number 4) (2nd edition).
York (UK): NHS Centre for Reviews and Dissemination, University of York,
2001.
Lefebvre
2001
Lefebvre C, Clarke M. Identifying randomised trials. In: Egger M, Davey
Smith G, Altman DG (editors). Systematic Reviews in Health Care: Meta-analysis
in Context (2nd edition). London (UK): BMJ Publication Group, 2001.
Lefebvre
2008
Lefebvre C, Eisinga A, McDonald S, Paul N. Enhancing access to reports
of clinical trials published world-wide - the contribution of EMBASE records
to the Cochrane Central Register of Controlled Trials (CENTRAL) in The
Cochrane Library. Emerging Themes in Epidemiology (in press,
2008).
MacLean
2003
MacLean CH, Morton SC, Ofman JJ, Roth EA, Shekelle PG. How useful are unpublished
data from the Food and Drug Administration in meta-analysis? Journal
of Clinical Epidemiology 2003; 56: 44-51.
Mallett
2002
Mallett S, Hopewell S, Clarke M. Greay literature in systematic reviews:
The first 1000 Cochrane systematic reviews. Fourth Symposium on Systematic
Reviews: Pushing the Boundaries, Oxford (UK), 2002.
Manheimer
2002
Manheimer E, Anderson D. Survey of public information about ongoing clinical
trials funded by industry: evaluation of completeness and accessibility.
BMJ 2002; 325: 528-531.
McDonald
2002
McDonald S. Improving access to the international coverage of reports of
controlled trials in electronic databases: a search of the Australasian
Medical Index. Health Information and Libraries Journal 2002; 19:
14-20.
Montori
2005
Montori VM, Wilczynski NL, Morgan D, Haynes RB. Optimal search strategies
for retrieving systematic reviews from Medline: analytical survey. BMJ
2005; 330: 68.
Royle
2003
Royle P, Milne R. Literature searching for randomized controlled trials
used in Cochrane reviews: rapid versus exhaustive searches. International
Journal of Technology Assessment in Health Care 2003; 19: 591-603.
Sampson
2006
Sampson M, McGowan J. Errors in search strategies were identified by type
and frequency. Journal of Clinical Epidemiology 2006; 59: 1057-1063.
Scherer
2007
Scherer RW, Langenberg P, von Elm E. Full publication of results initially
presented in abstracts. Cochrane Database of Systematic Reviews
2007, Issue 2. Art No: MR000005.
Suarez-Almazor
2000
Suarez-Almazor ME, Belseck E, Homik J, Dorgan M, Ramos-Remus C. Identifying
clinical trials in the medical literature with electronic databases: MEDLINE
alone is not enough. Controlled Clinical Trials 2000; 21: 476-487.
White
2001
White VJ, Glanville JM, Lefebvre C, Sheldon TA. A statistical approach
to designing search filters to find systematic reviews: objectivity enhances
accuracy. Journal of Information Science 2001; 27: 357-370.
Whiting
2008
Whiting P, Westwood M, Burke M, Sterne J, Glanville J. Systematic reviews
of test accuracy should search a range of databases to identify primary
studies. Journal of Clinical Epidemiology (in press, 2008).
Wilczynski
2007
Wilczynski NL, Haynes RB, Hedges Team. EMBASE search strategies achieved
high sensitivity and specificity for retrieving methodologically sound
systematic reviews. Journal of Clinical Epidemiology 2007; 60:
29-33.
Wong
2006
Wong SS, Wilczynski NL, Haynes RB. Developing optimal search strategies
for detecting clinically sound treatment studies in EMBASE. Journal
of the Medical Library Association 2006; 94: 41-47.