Bowater RJ, Hartley LC, Lilford RJ. Are cardiovascular trial results systematically different between North America and Europe? A study based on intra-meta-analysis comparisons. Arch Cardiovasc Dis. 2015 Jan;108(1):23-38. doi: 10.1016/j.acvd.2014.03.005
Gittelman M, Brown TM, Holm-Larsen T, Persson BE. Comparison of the impact of degarelix and leuprolide on the health-related quality of life of patients with prostate cancer: results of a 12-month phase III clinical trial. UroToday International Journal. 2011 Dec 1;4(6):Art. 81.
Caro JJ, Ward A, Craig T, Huybrecht K, Arana A, Wait S, Eleftheriou A. Impact of thalassemia major on patients and their families. Acta Haematol. 2002;107(3):150-7.