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Farquharson CA, Butler R, Hill A, Belch JJ, Struthers AD.Farquharson CA, et al.Circulation. 2002 Jul 9;106(2):221-6. doi: 10.1161/01.cir.0000022140.61460.1d.Circulation. 2002.PMID: 12105162Clinical Trial.
George J, Carr E, Davies J, Belch JJ, Struthers A.George J, et al.Circulation. 2006 Dec 5;114(23):2508-16. doi: 10.1161/CIRCULATIONAHA.106.651117. Epub 2006 Nov 27.Circulation. 2006.PMID: 17130343Clinical Trial.