| The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration A Liberati, DG Altman, J Tetzlaff, C Mulrow, PC Gøtzsche, JPA Ioannidis, ... Annals of internal medicine 151 (4), W-65-W-94, 2009 | 52867 | 2009 |
| Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement D Moher, A Liberati, J Tetzlaff, DG Altman, Prisma Group International journal of surgery 8 (5), 336-341, 2010 | 24029* | 2010 |
| The development of QUADAS: a tool for the quality assessment of studies of diagnostic accuracy included in systematic reviews P Whiting, AWS Rutjes, JB Reitsma, PMM Bossuyt, J Kleijnen BMC medical research methodology 3, 1-13, 2003 | 4362 | 2003 |
| Cannabinoids for medical use: a systematic review and meta-analysis PF Whiting, RF Wolff, S Deshpande, M Di Nisio, S Duffy, AV Hernandez, ... Jama 313 (24), 2456-2473, 2015 | 2732 | 2015 |
| Five steps to conducting a systematic review KS Khan, R Kunz, J Kleijnen, G Antes Journal of the royal society of medicine 96 (3), 118-121, 2003 | 2412 | 2003 |
| Influence of context effects on health outcomes: a systematic review Z Di Blasi, E Harkness, E Ernst, A Georgiou, J Kleijnen The Lancet 357 (9258), 757-762, 2001 | 1931 | 2001 |
| ROBIS: a new tool to assess risk of bias in systematic reviews was developed P Whiting, J Savović, JPT Higgins, DM Caldwell, BC Reeves, B Shea, ... Journal of clinical epidemiology 69, 225-234, 2016 | 1841 | 2016 |
| Being big or growing fast: systematic review of size and growth in infancy and later obesity J Baird, D Fisher, P Lucas, J Kleijnen, H Roberts, C Law Bmj 331 (7522), 929, 2005 | 1668 | 2005 |
| PROBAST: a tool to assess the risk of bias and applicability of prediction model studies RF Wolff, KGM Moons, RD Riley, PF Whiting, M Westwood, GS Collins, ... Annals of internal medicine 170 (1), 51-58, 2019 | 1606 | 2019 |
| Optimal database combinations for literature searches in systematic reviews: a prospective exploratory study WM Bramer, ML Rethlefsen, J Kleijnen, OH Franco Systematic reviews 6, 1-12, 2017 | 1521 | 2017 |
| Clinical trials of homoeopathy. J Kleijnen, P Knipschild, G ter Riet British medical journal 302 (6772), 316-323, 1991 | 1166 | 1991 |
| Use of uterine artery Doppler ultrasonography to predict pre-eclampsia and intrauterine growth restriction: a systematic review and bivariable meta-analysis JS Cnossen, RK Morris, G Ter Riet, BWJ Mol, JAM Van Der Post, ... Cmaj 178 (6), 701-711, 2008 | 1112 | 2008 |
| PROBAST: a tool to assess risk of bias and applicability of prediction model studies: explanation and elaboration KGM Moons, RF Wolff, RD Riley, PF Whiting, M Westwood, GS Collins, ... Annals of internal medicine 170 (1), W1-W33, 2019 | 1031 | 2019 |
| PRISMA statement B Takkouche, G Norman Epidemiology 22 (1), 128, 2011 | 1022 | 2011 |
| Ginkgo biloba J Kleijnen, P Knipschild The Lancet 340 (8828), 1136-1139, 1992 | 1019 | 1992 |
| Sources of variation and bias in studies of diagnostic accuracy: a systematic review P Whiting, AWS Rutjes, JB Reitsma, AS Glas, PMM Bossuyt, J Kleijnen Annals of internal medicine 140 (3), 189-202, 2004 | 962 | 2004 |
| Systematic reviews to support evidence-based medicine K Khan, R Kunz, J Kleijnen, G Antes Crc press, 2011 | 947 | 2011 |
| Systematic review of water fluoridation MS McDonagh, PF Whiting, PM Wilson, AJ Sutton, I Chestnutt, J Cooper, ... Bmj 321 (7265), 855-859, 2000 | 892 | 2000 |
| Evaluation of QUADAS, a tool for the quality assessment of diagnostic accuracy studies PF Whiting, ME Weswood, AWS Rutjes, JB Reitsma, PNM Bossuyt, ... BMC medical research methodology 6, 1-8, 2006 | 875 | 2006 |
| Undertaking systematic reviews of research on effectiveness: CRD's guidance for carrying out or commissioning reviews KS Khan, G Ter Riet, J Glanville, AJ Sowden, J Kleijnen NHS Centre for Reviews and Dissemination, 2001 | 824 | 2001 |
