Juniper M, Le TK, Mladsi D. The epidemiology, economic burden, and pharmacological treatment of chronic low back pain in France, Germany, Italy, Spain and the UK: a literature-based review. Expert Opin Pharmacother. 2009 Nov 1;10(16):2581-92. doi: 10.1517/14656560903304063.
Fleming A, Goatman KA, Sharp PF, Styles CJ, Wikes WN, Olson JA. A large scale validation of automated grading. Eur J Ophthalmol. 2009 May 1;19(3):504.
Weiner JR, Toy EL, Sacco P, Duh MS. Costs, quality of life, and treatment compliance associated with antibiotic therapies in patients with cystic fibrosis: a review of the literature expert. Expert Opin Pharmacother. 2008 Apr;9(5):751-66.
Navarro P, Ascaso C, Garcia-Esteve L, Aguado J, Torres A, Martín-Santos R. Postnatal psychiatric morbidity: a validation study of the GHQ-12 and the EPDS as screening tools. General Hospital Psychiatry. 2007 Jan;29(1):1-7.