Luciano JV, Barrada JR, Aguado J, Osma J, García-Campayo J. Bifactor analysis and construct validity of the HADS: a cross-sectional and longitudinal study in fibromyalgia patients. Psychological Assessment. 2014 Jun;26(2):395-406.
Price C, Golden B, Harrington M, Konewko R, Wasil E, Herring W. Reducing boarding in a post-anesthesia care unit. Prod Oper Manag. 2011 May 1;20(3):431-41.
Chatzi L, Plana E, Pappas A, Alegkakis D, Karakosta P, Daraki V. The metabolic syndrome in early pregnancy and risk of gestational diabetes mellitus. Diabetes Metab. 2009 Dec;35(6):490-4.
Chen XH, Rodríguez S, Hawe E, Talmud PJ, Miller GJ, Underhill P, Humphries SE, Day IN. Evidence of admixture from haplotyping in an epidemiological study of UK Caucasian males: implications for association analyses. Hum Hered. 2004;57(3):142-55.