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
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.
Sorensen HT, Sabroe S, Olsen J, Rothman KJ, Gillman MW, Fisher P. Birth weight as a predictor of young men's intelligence. A historical cohort study. Ugeskr Laeger. 1999 Feb 8;161(6):791-3.
Walker AW, Loughlin JE, Friedlander ER, Rothman KJ, Dreyer NA. Projections of asbestos-related disease, 1980-2009. J Occup Med. 1983 May;25(5):409-25.