C. Silagy, L. Stead, and T. Lancaster, Use of systematic reviews in clinical practice guidelines: case study of smoking cessation, BMJ, vol.323, issue.7317, pp.833-839, 2001.
DOI : 10.1136/bmj.323.7317.833

D. Sackett, W. Rosenberg, J. Gray, R. Haynes, and W. Richardson, Evidence based medicine: what it is and what it isn't, BMJ, vol.312, issue.7023, pp.31271-31273, 1996.
DOI : 10.1136/bmj.312.7023.71

D. Moher, J. Tetzlaff, A. Tricco, M. Sampson, and D. Altman, Epidemiology and Reporting Characteristics of Systematic Reviews, PLoS Medicine, vol.330, issue.3, p.78, 2007.
DOI : 10.1371/journal.pmed.0040078.t003

O. Dekkers, E. Von-elm, A. Algra, J. Romijn, and J. Vandenbroucke, How to assess the external validity of therapeutic trials: a conceptual approach, International Journal of Epidemiology, vol.39, issue.1, pp.89-94, 2009.
DOI : 10.1093/ije/dyp174

J. Berlin and D. Rennie, Measuring the Quality of Trials, JAMA, vol.282, issue.11, pp.1083-1088, 1999.
DOI : 10.1001/jama.282.11.1083

S. Downs and N. Black, The feasibility of creating a checklist for the assessment of the methodological quality both of randomised and non-randomised studies of health care interventions, Journal of Epidemiology & Community Health, vol.52, issue.6, pp.377-84, 1998.
DOI : 10.1136/jech.52.6.377

P. Juni, D. Altman, and M. Egger, Systematic reviews in health care: Assessing the quality of controlled clinical trials, BMJ, vol.323, issue.7303, pp.42-48, 2001.
DOI : 10.1136/bmj.323.7303.42

P. Juni, A. Witschi, R. Bloch, and M. Egger, The Hazards of Scoring the Quality of Clinical Trials for Meta-analysis, JAMA, vol.282, issue.11, pp.1054-60, 1999.
DOI : 10.1001/jama.282.11.1054

D. Moher, A. Jadad, G. Nichol, M. Penman, P. Tugwell et al., Assessing the quality of randomized controlled trials: An annotated bibliography of scales and checklists, Controlled Clinical Trials, vol.16, issue.1, pp.62-73, 1995.
DOI : 10.1016/0197-2456(94)00031-W

A. Verhagen, H. De-vet, R. De-bie, A. Kessels, M. Boers et al., The Delphi List, Journal of Clinical Epidemiology, vol.51, issue.12, pp.511235-511276, 1998.
DOI : 10.1016/S0895-4356(98)00131-0

A. Lundh and P. Gotzsche, Recommendations by Cochrane Review Groups for assessment of the risk of bias in studies, BMC Medical Research Methodology, vol.291, issue.1, p.22, 2008.
DOI : 10.1001/jama.291.20.2457

L. Hartling, M. Ospina, Y. Liang, D. Dryden, N. Hooton et al., Risk of bias versus quality assessment of randomised controlled trials: cross sectional study, BMJ, vol.339, issue.oct19 1, pp.339-4012, 2009.
DOI : 10.1136/bmj.b4012

S. Straus and F. Mcalister, Applying the results of trials and systematic reviews to our individual patients, Evidence-Based Mental Health, vol.4, issue.1, pp.6-7, 2001.
DOI : 10.1136/ebmh.4.1.6

J. Hampton, Size isn't everything, Statistics in Medicine, vol.343, issue.19, pp.2807-2821, 2002.
DOI : 10.1002/sim.1284

C. Naylor, Grey zones of clinical practice: some limits to evidence-based medicine, The Lancet, vol.345, issue.8953, pp.840-842, 1995.
DOI : 10.1016/S0140-6736(95)92969-X

P. Rothwell, External validity of randomised controlled trials: ???To whom do the results of this trial apply????, The Lancet, vol.365, issue.9453, pp.82-93, 2005.
DOI : 10.1016/S0140-6736(04)17670-8

L. Pibouleau, I. Boutron, B. Reeves, R. Nizard, and P. Ravaud, Applicability and generalisability of published results of randomised controlled trials and non-randomised studies evaluating four orthopaedic procedures: methodological systematic review, BMJ, vol.339, issue.nov17 2, pp.339-4538, 2009.
DOI : 10.1136/bmj.b4538

N. Ahmad, I. Boutron, D. Moher, I. Pitrou, C. Roy et al., Neglected external validity in reports of randomized trials: The example of hip and knee osteoarthritis, Arthritis & Rheumatism, vol.53, issue.3, pp.61361-61370, 2009.
DOI : 10.1002/art.24279
URL : https://hal.archives-ouvertes.fr/inserm-00372070

P. Glasziou, E. Meats, C. Heneghan, and S. Shepperd, What is missing from descriptions of treatment in trials and reviews?, BMJ, vol.336, issue.7659, pp.1472-1476, 2008.
DOI : 10.1136/bmj.39590.732037.47

A. Jadad, D. Cook, A. Jones, T. Klassen, P. Tugwell et al., Methodology and Reports of Systematic Reviews and Meta-analyses, JAMA, vol.280, issue.3, pp.278-80, 1998.
DOI : 10.1001/jama.280.3.278

A. Lopez, C. Mathers, M. Ezzati, D. Jamison, and C. Murray, Global and regional burden of disease and risk factors, 2001: systematic analysis of population health data, The Lancet, vol.367, issue.9524, pp.1747-57, 2006.
DOI : 10.1016/S0140-6736(06)68770-9

C. Murray and A. Lopez, Alternative projections of mortality and disability by cause 1990???2020: Global Burden of Disease Study, The Lancet, vol.349, issue.9064, pp.1498-504, 1997.
DOI : 10.1016/S0140-6736(96)07492-2

A. Gilmore, J. Pomerleau, M. Mckee, R. Rose, C. Haerpfer et al., Prevalence of Smoking in 8 Countries of the Former Soviet Union: Results From the Living Conditions, Lifestyles and Health Study, American Journal of Public Health, vol.94, issue.12, pp.942177-87, 2004.
DOI : 10.2105/AJPH.94.12.2177

Z. Wu, S. Sullivan, Y. Wang, M. Rotheram-borus, and R. Detels, Evolution of China's response to HIV/AIDS, The Lancet, vol.369, issue.9562, pp.369679-90, 2007.
DOI : 10.1016/S0140-6736(07)60315-8

K. Patrick, F. Scutchfield, and S. Woolf, External Validity Reporting in Prevention Research, American Journal of Preventive Medicine, vol.34, issue.3, pp.260-262, 2008.
DOI : 10.1016/j.amepre.2007.11.011

L. Klesges, D. Dzewaltowski, and R. Glasgow, Review of External Validity Reporting in Childhood Obesity Prevention Research, American Journal of Preventive Medicine, vol.34, issue.3, pp.216-239, 2008.
DOI : 10.1016/j.amepre.2007.11.019

C. Bonell, A. Oakley, J. Hargreaves, V. Strange, and R. Rees, Assessment of generalisability in trials of health interventions: suggested framework and systematic review, BMJ, vol.333, issue.7563, pp.346-355, 2006.
DOI : 10.1136/bmj.333.7563.346

J. Higgins and . Green, Cochrane Handbook for Systematic Reviews of Interventions Version 5.0.0 [updated The Cochrane Collaboration, 2008.

D. Altman, K. Schulz, D. Moher, M. Egger, F. Davidoff et al., Consolidated Standards of Reporting Trials): The revised CONSORT statement for reporting randomized trials: explanation and elaboration, Ann Intern Med, issue.8, pp.134663-94, 2001.

M. Ethgen, L. Boutron, P. Steg, C. Roy, and P. Ravaud, Quality of reporting internal and external validity data from randomized controlled trials evaluating stents for percutaneous coronary intervention, BMC Medical Research Methodology, vol.352, issue.9128, p.24, 2009.
DOI : 10.1016/S0140-6736(98)01085-X
URL : https://hal.archives-ouvertes.fr/inserm-00376876

I. Boutron, D. Moher, D. Altman, K. Schulz, P. Ravaud et al., Extending the CONSORT Statement to Randomized Trials of Nonpharmacologic Treatment: Explanation and Elaboration, Annals of Internal Medicine, vol.148, issue.4, pp.295-309, 2008.
DOI : 10.7326/0003-4819-148-4-200802190-00008

B. Giraudeau and J. Mary, Planning a reproducibility study: how many subjects and how many replicates per subject for an expected width of the 95 per cent confidence interval of the intraclass correlation coefficient, Statistics in Medicine, vol.20, issue.21, pp.203205-203219, 2001.
DOI : 10.1002/sim.935

A. Liberati, D. Altman, J. Tetzlaff, C. Mulrow, P. Gøtzsche et al., The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate healthcare interventions: explanation and elaboration, BMJ, vol.339, issue.jul21 1, p.2700, 2009.
DOI : 10.1136/bmj.b2700

A. White, H. Rampes, and J. Campbell, Acupuncture and related interventions for smoking cessation, Cochrane Database Syst Rev, vol.25, issue.1, p.9, 2006.

J. Anczak and R. Nogler, Tobacco Cessation in Primary Care: Maximizing Intervention Strategies, Clinical Medicine & Research, vol.1, issue.3, pp.201-217, 2003.
DOI : 10.3121/cmr.1.3.201

D. Biau, R. Porcher, and I. Boutron, The account for provider and center effects in multicenter interventional and surgical randomized controlled trials is in need of improvement: a review, Journal of Clinical Epidemiology, vol.61, issue.5, pp.61435-61444, 2008.
DOI : 10.1016/j.jclinepi.2007.10.018

R. Glasgow, S. Bull, C. Gillette, L. Klesges, and D. Dzewaltowski, Behavior change intervention research in healthcare settings, American Journal of Preventive Medicine, vol.23, issue.1, pp.62-71, 2002.
DOI : 10.1016/S0749-3797(02)00437-3

R. Jaeschke, G. Guyatt, P. Dellinger, H. Schünemann, M. Levy et al., Use of GRADE grid to reach decisions on clinical practice guidelines when consensus is elusive, BMJ, vol.337, issue.jul31 1, p.744, 2008.
DOI : 10.1136/bmj.a744

D. Atkins, D. Best, P. Briss, M. Eccles, Y. Falck-ytter et al., Grading quality of evidence and strength of recommendations, BMJ, issue.7454, p.3281490, 2004.

F. Mcalister, S. Van-diepen, R. Padwal, J. Johnson, and S. Majumdar, How Evidence-Based Are the Recommendations in Evidence-Based Guidelines?, PLoS Medicine, vol.288, issue.8, p.250, 2007.
DOI : 10.1371/journal.pmed.0040250.t002

L. Moja, E. Telaro, D. Amico, R. Moschetti, I. Coe et al., Assessment of methodological quality of primary studies by systematic reviews: results of the metaquality cross sectional study, BMJ, vol.330, issue.7499, p.3301053, 2005.
DOI : 10.1136/bmj.38414.515938.8F

D. Moher, D. Cook, A. Jadad, P. Tugwell, M. Moher et al., Assessing the quality of reports of randomised trials: implications for the conduct of meta-analyses, Health Technol Assess, vol.3, issue.12, pp.1-98, 1999.

M. Merson, O. Malley, J. Serwadda, D. Apisuk, and C. , The history and challenge of HIV prevention, The Lancet, vol.372, issue.9637, pp.475-88, 2008.
DOI : 10.1016/S0140-6736(08)60884-3

. Ahmad, Applicability and generalisability of the results of systematic reviews to public health practice and policy: a systematic review, Trials, vol.372, issue.9637, p.20, 2010.
DOI : 10.1016/S0140-6736(08)60884-3
URL : https://hal.archives-ouvertes.fr/inserm-00663771