Hutchings, H., Williams, J., Cheung, W., Cohen, D., Longo, M., & Russell, I. (2003). The value of routine data in health technology assessment: Can randomised trials rely on existing electronic data? A feasibility study to explore the value of routine data in health technology assessment. Health Technology Assessment, 7(26), .

Hutchings, Hayley, JG Williams, WY Cheung, D. Cohen, M. Longo, and IT Russell. "The Value of Routine Data in Health Technology Assessment: Can Randomised Trials Rely On Existing Electronic Data? A Feasibility Study to Explore the Value of Routine Data in Health Technology Assessment." Health Technology Assessment 7, no. 26 (2003).

Hutchings, Hayley, et al. "The Value of Routine Data in Health Technology Assessment: Can Randomised Trials Rely On Existing Electronic Data? A Feasibility Study to Explore the Value of Routine Data in Health Technology Assessment." Health Technology Assessment 7.26 (2003).