Stawicki, S., Habeeb, K., Martin, N., O’Mara, M., Cipolla, J., Evans, D., … Seamon, M. (2018). A seven-center examination of the relationship between monthly volume and mortality in trauma: a hypothesis-generating study. European Journal of Trauma and Emergency Surgery : Official Publication of the European Trauma Society. https://doi.org/10.1007/s00068-018-0904-0 (Original work published 2018)