Roberts, S., Carter, K., Akbari, A., Samuel, D. G., & Williams, J. (2015). Weekend emergency admissions and mortality in England and Wales. Lancet, 385(9980), p. 1829. doi:10.1016/S0140-6736(15)60580-3

Roberts, Stephen, Kym Carter, Ashley Akbari, David G. Samuel, and John Williams. "Weekend Emergency Admissions and Mortality in England and Wales." Lancet 385, no. 9980 (2015): 1829.

Roberts, Stephen, et al. "Weekend Emergency Admissions and Mortality in England and Wales." Lancet 385.9980 (2015): 1829.