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Page 1
Efficacy and safety of metamizol vs. acetylsalicylic acid in patients with moderate episodic tension-type headache: a randomized, double-blind, placebo- and active-controlled, multicentre study.
Martínez-Martín P, Raffaelli E Jr, Titus F, Despuig J, Fragoso YD, Díez-Tejedor E, Liaño H, Leira R, Cornet ME, van Toor BS, Cámara J, Peil H, Vix JM, Ortiz P; Co-operative Study Group. Martínez-Martín P, et al. Among authors: van toor bs. Cephalalgia. 2001 Jun;21(5):604-10. doi: 10.1046/j.1468-2982.2001.00216.x. Cephalalgia. 2001. PMID: 11472387 Clinical Trial.
Efficacy of orally administered extract of red vine leaf AS 195 (folia vitis viniferae) in chronic venous insufficiency (stages I-II). A randomized, double-blind, placebo-controlled trial.
Kiesewetter H, Koscielny J, Kalus U, Vix JM, Peil H, Petrini O, van Toor BS, de Mey C. Kiesewetter H, et al. Among authors: van toor bs. Arzneimittelforschung. 2000 Feb;50(2):109-17. doi: 10.1055/s-0031-1300174. Arzneimittelforschung. 2000. PMID: 10719612 Clinical Trial.