Zaslansky, DSc, R., Eisenberg, MD, E., Peskin, MD, B., Sprecher, PhD, E., Reis, MD, D. N., Zinman, MD, C. and Brill, MD, S. (2006) “Early administration of oral morphine to orthopedic patients after surgery”, Journal of Opioid Management, 2(2), pp. 88–92. doi: 10.5055/jom.2006.0014.