Alberani, V, De Castro Pietrangeli, P, Mazza, AM (1990) The use of grey literature in health sciences: a preliminary survey. Bulletin of the Medical Library Association, 78: 358–63.
Barber, S, Corsi, M, Furukawa, TA, et al. (2016) Quality and impact of secondary information in promoting evidence-based clinical practice: a cross-sectional study about EBMH. Evidence-Based Mental Health, 19: 82–5.
Booth, A (2006) Clear and present questions: formulating questions for evidence based practice. Library Hi Tech, 24: 355–68.
Bramer, WM, Giustini, D, Kramer, BMR (2016) Comparing the coverage, recall, and precision of searches for 120 systematic reviews in Embase, MEDLINE, and Google Scholar: a prospective study. Systematic Reviews, 5: 1–7.
Caddy, C, Amit, BH, McCloud, TL, et al. (2015) Ketamine and other glutamate receptor modulators for depression in adults. Cochrane Database of Systematic Reviews, 9: CD011612 (doi: 10.1002/14651858.CD011612.pub2).
Cipriani, A, Saunders, K, Attenburrow, MJ, et al. (2016a) A systematic review of calcium channel antagonists in bipolar disorder and some considerations for their future development. Molecular Psychiatry, 21: 1324–32.
Cipriani, A, Zhou, X, Del Giovane, C, et al. (2016b) Comparative efficacy and tolerability of antidepressants for major depressive disorder in children and adolescents: a network meta-analysis. Lancet, 388: 881–90.
Davies, KS (2011) Formulating the evidence based practice question: a review of the frameworks. Evidence Based Library and Information Practice, 6: 75–80.
Dickersin, K, Min, YI (1993) Publication bias: the problem that won't go away. Annals of the New York Academy of Sciences, 703: 135–48.
Dickersin, K, Manheimer, E, Wieland, S, et al. (2002) Development of the Cochrane Collaboration's CENTRAL Register of controlled clinical trials. Evaluation & the Health Professions, 25: 38–64.
Guaiana, G, Barbui, C, Cipriani, A (2010) Hydroxyzine for generalised anxiety disorder. Cochrane Database of Systematic Reviews, 12: CD006815 (doi: 10.1002/14651858.CD006815.pub2).
Haddaway, NR, Collins, AM, Coughlin, D, et al. (2015) The role of Google scholar in evidence reviews and its applicability to grey literature searching. PLoS One, 10: e0138237.
Higgins, JPT, Green, S (2011) Cochrane Handbook for Systematic Reviews of Interventions: Version 5.1.0. Cochrane Collaboration.
Hopewell, S, Clarke, M, Lefebvre, C, et al. (2007) Handsearching versus electronic searching to identify reports of randomized trials. Cochrane Database of Systematic Reviews, 2: MR000001 (doi: 10.1002/14651858.MR000001.pub2).
McKeever, L, Nguyen, V, Peterson, SJ, et al. (2015) Demystifying the search button: a comprehensive PubMed search strategy for performing an exhaustive literature review. Journal of Parenteral and Enteral Nutrition, 39: 622–35.
Moher, D, Liberati, A, Tetzlaff, J, et al. (2009) Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. PLoS Medicine, 6: e1000097.
Naughton, M, Clarke, G, O'Leary, OF, et al. (2014) A review of ketamine in affective disorders: Current evidence of clinical efficacy, limitations of use and preclinical evidence on proposed mechanisms of action. Journal of Affective Disorders, 156: 24–35.
Richardson, WS, Wilson, MC, Nishikawa, J, et al. (1995) The well-built clinical question: a key to evidence-based decisions. ACP Journal Club, 123: A12–3.
Sackett, DL (1997) Evidence-based medicine. Seminars in Perinatology, 21: 3–5.
Scherer, RW, Langenberg, P, von Elm, E (2007) Full publication of results initially presented in abstracts. Cochrane Database of Systematic Reviews, 2: MR000005 (doi: 10.1002/14651858.MR000005.pub3).
Song, F, Parekh, S, Hooper, L, et al. (2010) Dissemination and publication of research findings: an updated review of related biases. Health Technology Assessment, 14: 1–193.
Suarez-Almazor, ME, Belseck, E, Homik, J, et al. (2000) Identifying clinical trials in the medical literature with electronic databases: MEDLINE alone is not enough. Controlled Clinical Trials, 21: 476–87.
Turner, EH, Matthews, AM, Linardatos, E, et al. (2008) Selective publication of antidepressant trials and its influence on apparent efficacy. New England Journal of Medicine, 358: 252–60.
Whittington, CJ, Kendall, T, Fonagy, P, et al. (2004) Selective serotonin reuptake inhibitors in childhood depression: systematic review of published versus unpublished data. Lancet, 363: 1341–5.
Wildridge, V, Bell, L (2002) How CLIP became ECLIPSE: a mnemonic to assist in searching for health policy/management information. Health Information & Libraries Journal, 19: 113–5.