• Anderson LM, Petticrew M, Rehfuess E, Armstrong R, Ueffing E, Baker P, Francis D, Tugwell P. 2011. Using logic models to capture complexity in systematic reviews. Res Synth Meth 2: 33-42.
  • Cohen IB. 1984. Florence nightingale. Sci Am 250: 128-37.
  • Doyle J, Armstrong R, Waters E. 2008. Issues raised in systematic reviews of complex multisectoral and community based interventions. J Public Health 30: 213-215.
  • Jackson N, Waters E, T Guidelines. 2004. for Systematic Reviews of Health Promotion and Public Health Interventions Taskforce The challenges of systematically reviewing public health interventions. J Public Health, 26: 303-307.
  • Lucas PJ, Baird J, Arai L, Law C, Roberts HM. 2007. Worked examples of alternative methods for the synthesis of qualitative and quantitative research in systematic reviews. BMC Med Res Methodol 7: 4.
  • Ogilvie D, Fayter D, Petticrew M, Sowden A, Thomas S, Whitehead M, Worthy G. 2008. The harvest plot: a method for synthesising evidence about the differential effects of interventions. BMC Med Res Methodol 8: 8.
  • Popay J, Roberts H, Sowden A, Petticrew M, Arai L, Rodgers M, Britten N, Roen K, Duffy S. 2006. Guidance on the conduct of narrative synthesis in systematic reviews: A product of the ESRC methods programme (version i) (available from n.Simpson@lancaster.Ac.Uk).
  • Rosen G. 1993. A History of Public Health, The Johns Hopkins University Press, Baltimore.
  • Shepperd S, Lewin S, Straus S, Clarke M, Eccles MP, Fitzpatrick R, Wong G, Sheikh A. 2009. Can we systematically review studies that evaluate complex interventions? PLoS Med, 6: e1000086.
  • Thomson H, Thomas S, Sellstrom E, Petticrew M. 2010. Housing improvements for health and associated socio-economic outcomes. The Cochrane Library (http://onlinelibrary.Wiley.Com/doi/10.1002/14651858.Cd008657/pdf) (protocol).
  • Thomson H, Thomas S, Sellstrom E, Petticrew M. 2011 (submitted). Housing improvements for health and associated socio-economic outcomes (review). Cochrane Database Syst Rev.
  • Tufte ER. 1983. The Visual Display of Quantitative Information, Connecticut, Graphics Press, Cheshire.
  • Wijndaele K, Lakshman R, Landsbaugh JR, Ong KK, Ogilvie D. 2009. Determinants of early weaning and use of unmodified cow's milk in infants: a systematic review. J Am Diet Assoc 109: 2017-2028.