Cattaneo, MD, S., P. Ingelmo, MD, L. Scudeller, MD, PhD, M. De Gregori, PhD, D. Bugada, MD, M. Baciarello, MD, M. Marchesini, MD, G. Alberio, MD, M. Normanno, MD, G. S. Jotti, MD, T. Meschi, MD, G. Fanelli, MD, and M. Allegri, MD. “Sex Differences in the Daily Rhythmicity of Morphine Consumption After Major Abdominal Surgery”. Journal of Opioid Management, vol. 13, no. 2, Mar. 2017, pp. 85-94, doi:10.5055/jom.2017.0372.