Childers MK, Petri M, Laudadio C, Harrison D, Silber S, Bowen D (2004). "Comparison of cyclobenzaprine alone versus cyclobenzaprine plus ibuprofen in patients with acute musculoskeletal spasm and pain". Annals of Emergency Medicine. 44 (4): S87–S88. doi:10.1016/j.annemergmed.2004.07.286. ...