Impact of chronic treatment by β1-adrenergic antagonists on Nociceptive-Level (NOL) index variation after a standardized noxious stimulus under general anesthesia: a cohort study

Bergeron, C., Brulotte, V., Pelen, F., Clairoux, A., Bélanger, M., Issa, R., Urbanowicz, R., Tanoubi, I., Drolet, P., Fortier, L., Verdonck, O., Fortier, A., Espitalier, F., Richebé, P.