McQueenie, R., Ellis, D. A., McConnachie, A. , Wilson, P. and Williamson, A. E. (2019) Morbidity, mortality and missed appointments in healthcare: a national retrospective data linkage study. BMC Medicine, 17, 2. (doi: 10.1186/s12916-018-1234-0) (PMID:30630493) (PMCID:PMC6329132)

Ellis, D. A., McQueenie, R., McConnachie, A. , Wilson, P. and Williamson, A. (2017) Demographic and practice factors predicting repeated non-attendance in primary care: a national retrospective cohort analysis. Lancet Public Health, 2(12), e551-e559. (doi: 10.1016/S2468-2667(17)30217-7) (PMID:29253440) (PMCID:PMC5725414)

Williamson, A. , Ellis, D. A., Wilson, P., McQueenie, R. and McConnachie, A. (2017) Understanding repeated non-attendance in health services: a pilot analysis of administrative data and full study protocol for a national retrospective cohort. BMJ Open, 7(2), e014120. (doi: 10.1136/bmjopen-2016-014120) (PMID:28196951) (PMCID:PMC5319001)