Ueda K, Takura T, Fujikoshi S, Meyers J, Nagar SP, Enomoto H. Long-term pain management and health care resource use among an employed population in Japan with knee osteoarthritis combined with low back pain. Pain Med. 2021 Dec 11;22(12):3041-50. doi: 10.1093/pm/pnaa424
Nagar SP, Patel A, Bali V, Aparasu RR. Prevalence and predictors of pediatric depression in the United States. Int J Pharm Sci Nanotech. 2014 Sep;7(3):91-7.
Nagar SP, Mhatre S, Hatfeild MD, Aparasu RR. Patterns and predictors of antipsychotic usage among U.S. adults: a national co-morbidity survey replication study. Int J Pharm Sci Nanotech. 2014 Apr;7(2):52-68.
Arnold L, Crofford L, Martin SA, Young J, Sharma U. The effect of anxiety and depression on improvements in pain in a randomized, controlled trial of pregabalin for treatment of fibromyalgia. Pain Med. 2007 Nov;8(8):633-8.
Barrett AM, Lucero MA, Le T, Robinson RL, Dworkin RH, Chappell AS. Epidemiology, public health burden, and treatment of diabetic peripheral neuropathic pain: a review. Pain Med. 2007 Sep 1;8(Suppl 2):S50-62.