Novick D, Montgomery W, Aguado J, Peng XM, Haro JM. Impact of anxiety symptoms on outcomes of depression: an observational study in Asian patients. Neuropsychiatr Dis Treat. 2016 Apr 11;12:795-800. doi: 10.2147/NDT.S90134
Donnelly DW, Hegarty A, Sharp L, Carsin AE, Deady S, McCluskey N, Comber H, Gavin A. The impact of adjustment for socioeconomic status on comparisons of cancer incidence between two European countries. J Cancer Epidemiol. 2013 Jan 1;2013:612514. doi: 10.1155/2013/612514