Bhavasar, R. P., Chopade, S. S., Sulaxane, Y. D., Chaudhari, D. R., & Bite, B. M. (2019). Effectiveness of low dose physostigmine for dose reduction of morphine in pain management. International Journal of Basic & Clinical Pharmacology, 8(6), 1203–1208. https://doi.org/10.18203/2319-2003.ijbcp20192102