• Baker R, Thompson C, Mannion R. 2006. Q methodology in health economics. Journal of Health Services Research & Policy 11: 3845.
  • Bamberger M, Rao V, Woolcock M. 2010. Using mixed methods in monitoring and evaluation: experiences from international development. World Bank Policy Research Working Paper 5245.
  • Bowling A 2009. Research Methods in Health: Investigating Health and Health Services, 3e. Open University Press: Maidenhead.
  • Coast J. 1999. The appropriate uses of qualitative methods in health economics. Health Economics 8: 345353.
  • Coast J, McDonald R, Baker R. 2004. Issues arising from the use of qualitative methods in health economics. Journal of Health Services Research & Policy 9: 171176.
  • Coast J, Al-Janabi H, Sutton E, Horrocks S, Vosper J, Swancutt D, Flynn T. 2012. Using qualitative methods for attribute development for discrete choice experiments: issues and recommendations. Health Economics 21: 730741.
  • Deaton A. 2010. Instruments, randomization, and learning about development. Journal of Economic Literature 48: 424455.
  • El-Khoury M, Gandaho T, Arur A, Keita B, Nichols L. 2011. Improving Access to Life Saving Maternal Health Services: the effects of removing user fees for cesareans in Mali. Bethesda, MD: Health Systems 20/20, Abt Associates Inc.
  • Landis R, Koch G. 1977. The measurement of observer agreement for categorical data. Biometrics 33: 159174.
  • Lincoln Y. 1992. Sympathetic connections between qualitative methods and health research. Qualitative Health Research 2: 375391.
  • Small N, Mannion R. 2005. A hermeneutic science: health economics and habermas. Journal of Health Organization and Management 19: 219235.
  • Smith N, Mitton C, Peacock S. 2009. Qualitative methodologies in health-care priority setting research. Health Economics 18: 11631175.
  • Wagstaff A, Culyer A. 2011. Four decades of health economics through a bibliometric lens. World Bank Policy Research Working Paper 5829.
  • Weiner B, Amick H, Lund J, Lee S, Hoff T. 2011. Use of qualitative methods in published health services and management research: a 10-year review. Medical Care Research and Review 68: 333.