"Evidence-based policy making". Department for Environment, Food and Rural Affairs. 21 September 2006. Archived from the original on 14 January 2011. Retrieved 6 March 2010.
Guyatt, G. H. (1 December 1993). "Users' guides to the medical literature. II. How to use an article about therapy or prevention. A. Are the results of the study valid? Evidence-Based Medicine Working Group". JAMA: The Journal of the American Medical Association. 270 (21): 2598–2601. doi:10.1001/jama.270.21.2598. PMID8230645.
Ripple, William J; Wolf, Christopher; Newsome, Thomas M; Barnard, Phoebe; Moomaw, William R (5 November 2019). "World Scientists' Warning of a Climate Emergency". BioScience. doi:10.1093/biosci/biz088. hdl:2445/151800.
Ripple, William J; Wolf, Christopher; Newsome, Thomas M; Barnard, Phoebe; Moomaw, William R (5 November 2019). "World Scientists' Warning of a Climate Emergency". BioScience. doi:10.1093/biosci/biz088. hdl:2445/151800.
Guyatt, G. H. (1 December 1993). "Users' guides to the medical literature. II. How to use an article about therapy or prevention. A. Are the results of the study valid? Evidence-Based Medicine Working Group". JAMA: The Journal of the American Medical Association. 270 (21): 2598–2601. doi:10.1001/jama.270.21.2598. PMID8230645.
"Evidence-based policy making". Department for Environment, Food and Rural Affairs. 21 September 2006. Archived from the original on 14 January 2011. Retrieved 6 March 2010.