Sturmer T, Rothman KJ, Avorn J, Glynn RJ. Treatment effects in the presence of unmeasured confounding: dealing with observations in the tails of the propensity score distribution—A simulation study. Am J Epidemiol. 2010 Oct 17;172(7):843-54.
Deal LS, Williams VSL, DiBenedetti DB, Fehnel SE. Development and psychometric evaluation of the endometriosis treatment satisfaction questionnaire. Qual Life Res. 2010 Aug 1;19(6):899-905.
Luciano JV, Ayuso-Mateos JL, Fernandez A, Aguado J, Serrano-Blanco A, Roca M, Haro JM. Utility of the twelve-item World Health Organization Disability Assessment Schedule II (WHO-DAS II) for discriminating depression "caseness" and severity in Spanish primary care patients. Qual Life Res. 2010 May;19(1):97-101.