AltmanD. G. (1991) Practical Statistics for Medical Research, Chapman & Hall, London
2.
AltmanD. G. and BlandJ. M. (1995) Absence of evidence is not evidence of absence, British Medical Journal, 311, 485.
3.
AltmanD. G. and BlandJ. M. (1999) Testament allocation in controlled trials: why randomise?British Medical Journal, 318, 1209.
4.
AndersonG. B., BowdenJ., MorrisonE. C. and CaffesseR. G. (1997) Clinical effects of chlorhexidine mouthwashes on patients undergoing orthodontic treatment, American Journal of Orthodontics and Dentofacial Orthopedics, 111, 606–612.
5.
Antczak-BouckomsA. (1998) The anatomy of clinical research, Clinical Orthodontics and Research, 1, 75–79.
6.
AshS. and HayN. (1996) Adhesive pre-coated brackets, a comparative clinical study, British Journal of Orthodontics, 24, 325–329.
7.
BisharaS. E. (1992) Impacted maxillary canines: a review, American Journal of Orthodontics and Dentofacial Orthopedics, 101, 159–171.
8.
Booth-MasonS. and BirnieD. J (1988) Penetrating eye injury from orthodontic headgear—a case report, European Journal of Orthodontics, 10, 111–114.
9.
BoyneP. J. and SandsN. R. (1972) Secondary bone grafting of residual alveolar and palatal defects, Journal of Oral and Maxillofacial Surgery, 30, 87–92.
10.
BuchannanI. B., RussellJ. I. and ClarkJ. D. (1996) Practical application of the PAR Index: an illustrative comparison of the outcome of treatment using two fixed appliance techniques, British Journal of Orthodontics, 23, 351–357.
11.
Critical Appraisal Skills Programme (CASP) (1997) Making Sense of Evidence About Clinical Effectiveness. CASP Workshop Pack—glossary, Critical Appraisal Skills Programme (CASP), Oxford.
12.
CrombieI. K. (1996) The Pocket Guide to Critical Appraisal, British Medical Journal Publishing Group, London.
13.
DeeksJ. D. and SheldonT. A. (1995) Guidlines for Undertaking Systematic Reviews of Effectiveness, Version 4, York Centre for Reviews and Dissemination, York.
14.
EllenbergS. S. (1981) Studies to compare treatment regimens: the randomised clinical trial and alternative strategies, Journal of the American Medical Association, 246, 2481–2482.
15.
ErverdiN., KoyuturkO. and KucukkelesN. (1997) Nickel-titanium coil springs and repelling magnets: a comparison of two different intra-oral molar distalisation techniques, British Journal of Orthodontics, 24, 47–53.
16.
FoxN. A., RichmondS., WrightJ. L. and DanielsC. P. (1997) Factors affecting the outcome of orthodontic treatment within the General Dental Service, British Journal of Orthodontics, 24, 217–221.
17.
GardnerM. J. and AltmanD. G. (1986) Confidence interval rather than p values: estimation rather than hypothesis testing, British Medical Journal, 292, 746–750.
18.
GreenS. B. and ByarD. P. (1984) Using observational data from registries to compare treatments: the fallacy of omnimetrics, Statistics in Medicine, 3, 361–370.
19.
GreenhalghT. (1997) How to Read a Paper: the basis of evidence based medicine, British Medical Journal Publishing Group, London.
20.
GuyattG. H., SackettD. L. and CookD. C. (1993) Users' guide to the medical literature: II. How to use an article about therapy or prevention. A. Are the results of the study valid?, Journal of the American Medical Association, 270, 2598–2601.
21.
GuyattG. H., SackettD. L. and CookD. C. (1994) Users' guide to the medical literature: II. How to use an article about therapy or prevention. B. What are the results and will they help me in caring for my patients?, Journal of the American Medical Association, 271, 59–63.
22.
GuyattG. H., SackettD. L., SinclairJ. C., HaywardR. and CookD. C. (1995) Users' guide to the medical literature: IX. A method for grading healthcare recommendations, Journal of the American Medical Association, 274, 1800–1804.
23.
HallG. M. (1994) How to Write a Paper, British Medical Journal Publishing Group, London.
24.
HarradineN. W. T., PearsonM. H. and TothB. (1998) The effect of extraction of third molars on late lower incisor crowding: a randomized controlled trial, British Journal of Orthodontics, 25, 117–122.
25.
HarrisonJ. E. (1998) Early experiences with the Tip-Edge appliance, British Journal of Orthodontics, 25, 1–9.
26.
HarrisonJ. E. and AshbyD. (1999) Orthodontic treatments for posterior crossbites (Cochrane Protocol), In: The Cochrane Library, Issue 4, Update Software, Oxford.
27.
HarrisonJ. E., AshbyD. and LennonM. A. (1996) An analysis of papers published in the British and European journals of orthodontics, British Journal of Orthodontics, 23, 203–209.
28.
HaynesR. B., MulrowC. D., HuithE. J., AltmanD. G. and GardnerM. J. (1990) More informative abstracts revisited Annals of Internal Medicine, 113, 69–76.
29.
HaywardR. S. A., WilsonM. C., TunisS. R., BassE. B. and GuyattG. H (1995) Users' guide to the medical literature: VIII. How to use clinical practice guidelines. A. Are the recommendations valid?, Journal of the American Medical Association, 274, 570–574.
30.
HobsonR. S. and ClarkJ. D. (1995) Management of the orthodontic patient ‘at risk’ from infective endocarditis, British Dental Journal, 178, 289–295.
31.
HolmesA. (1992) The prevalence of orthodontic treatment need, British Journal of Orthodontics, 19, 177–182.
32.
JaeschkeR., GuyattG. H. and SackettD. L. (1994) Users' guide to the medical literature: III. How to use an article about a diagnostic test: A. Are the results of the study valid?Journal of the American Medical Association, 271, 389–391.
33.
JonesM. (1998) Editorial—a new look for 1998, British Journal of Orthodontics, 25, 55–56.
34.
KaleyJ. and PhillipsC. (1991) Factors related to root resorption in edgewise practice, Angle Orthodontist, 61, 125–132.
35.
LaupaciaA., WellsG., RichardsonW. S. and TugwellP. (1994) Users' guide to the medical literature: V. How to use and article about prognosis, Journal of the American Medical Association, 272, 234–237.
36.
LevineM., WalterS., LeeH., HainesT., HolbrookA. and MoyerV. (1994) Users' guide to the medical literature: IV. How to use an article about harm, Journal of the American Medical Association, 271, 1615–1619.
37.
MilneR., DonaldA. and ChambersL. (1995) Piloting short workshops on critical appraisal of reviews, Health Trends, 27, 120–123.
38.
NewcombeR. G. (1994) Research in orthodontics—A statistical perspective, British Journal of Orthodontics, 21, 299–302.
39.
O'BrienK. and CravenR. (1995) Pitfalls in orthodontic health service research, British Journal of Orthodontics, 22, 353–356.
40.
ÖmblusJ, MalmgrenO., PancherezH., HaggU. and HansenK. (1997) Long-term effect of Class II correction in Herbst and Bass therapy, European Journal of Orthodontics, 19, 185–193.
41.
OxmanA. D., CookD. C. and GuyattG. H. (1994) Users' guide to the medical literature: VI. How to use an overview, Journal of American Medical Association, 272, 1367–1371.
42.
OxmanA. D., SackettD. L. and GuyattG. H. (1993) Users' guide to medical literature: I. How to get started, Journal of the American Medical Association, 270, 2093–2095.
43.
PocockS. J. (1983) Clinical Trials: a practical approach, John Wiley & Sons Ltd.Chichester.
44.
RichardsonW. S. and DetskyA. S. (1995a) Users' guide to the medical literature: VII. How to use a clinical decision analysis. A. Are the results of the study valid?, Journal of the American Medical Association, 273, 1292–1295.
45.
RichardsonW. S. and DetskyA. S. (1995b) Users' guide to the medical literature: VII. How to use a clinical decision analysis. B. What are the results and will they help me in caring for my patients?Journal of the American Medical Association, 273, 1610–1613.
46.
RobertsC. T. and RichmondS. (1997) The design and analysis of reliability studies for the use of epidemiological and audit indices in orthodontics, British Journal of Orthodontics, 24, 139–147.
47.
SackettD. L., RichardsonW. S., RosenbergW. and HaynesR. B. (1997) Evidence-based Medicine, Churchill Livingstone, Edinburgh.
48.
SidhuM. S., KharbandaO. P. and SidhuS. S. (1995) Cephalometric analysis of changes produced by a modified Herbst appliance in the treatment of Class II division 1 malocclusion, British Journal of Orthodontics, 22, 1–12.
49.
StuckiN. and IngervallB. (1998) The use of the Jasper Jumper for the correction of Class II malocclusion in the young permanent dentition, European Journal of Orthodontics, 20, 271–281.
50.
TarvitD. J. and FreerT. J. (1998) Assessing malocclusion—the time factor, British Journal of Orthodontics, 25, 31–34.
51.
TaylorP. J. S., KerrW. J. S. and McCollJ. H (1996) Factors associated with the standard and duration of orthodontic treatment, British Journal of Orthodontics, 23, 335–341.
52.
WatsonW. G. (1980) Anatomy of a manuscript, American Journal of Orthodontics and Dentofacial Orthopedics, 77, 106–108.
53.
WilsonM. C., HaywardR. S. A., TunisS. R., BassE. B. and GuyattG. H (1995) Users' guide to the medical literature: VIII. How to use clinical practice guidelines. B. What are the recommendations and will they help you in caring for your patients?Journal of the American Medical Association, 274, 1630–1633.