Porter, A., & Pugh, W. (2011). How sharp can a screening tool be? A qualitative study of patients’ experience of completing a bowel cancer screening questionnaire. Health Expectations, 14(2), pp. 170-177. doi:10.1111/j.1369-7625.2010.00629.x

Porter, Alison, and Wendy Pugh. "How Sharp Can a Screening Tool Be? A Qualitative Study of Patients’ Experience of Completing a Bowel Cancer Screening Questionnaire." Health Expectations 14, no. 2 (2011): 170-177.

Porter, Alison, and Wendy Pugh. "How Sharp Can a Screening Tool Be? A Qualitative Study of Patients’ Experience of Completing a Bowel Cancer Screening Questionnaire." Health Expectations 14.2 (2011): 170-177.