Intraperitoneal injection of sodium pentobarbital is associated with pain in rats.
J. Reimer, C. Schuster, C. G. Knight, D. Pang, V. S. Leung
This study assesses pain associated with intraperitoneal sodium pentobarbital injection in rats using behavioral metrics and finds signs of pain despite sedative effects.
bioRxiv · Jul 15, 2019 · PreprintPhysiology