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Abstract: . . . (Qol measured by seattle angina questionnaire [SAQ] and visual analogue scale [VAS]) and an early withdrawal of a study group due to increasing angina . Results: There was a significant decrease in the primary endpoint between the conventional groups (A and B), the subthreshold group (C) and . . . . . . OPTISTIM-Study: spinal cord stimulation in patients with refractory angina pectoris Stephan Eddicks, *Michael Schenk, Klaus Maier-Hauff, Gert Baumann, Heinz Theres Cardiology, Angiology and Pulmonology, Charit CCM, Berlin, . . . --642,2,160,733,3211
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