Boulanger L, Wu N, Chen SY, Nagar S, Fraser K, Bernauer MJ, Zhao Z, Zhao Y. Predictors of pain medication selection among patients diagnosed with fibromyalgia. Pain Pract. 2012 Apr;12(4):266-75.
Brogan AJ, Stidham S. A note on separation in mean-lower-partial-moment portfolio optimization with fixed and moving targets. IIE Trans. 2005 Jan 1;37(10):901-6.