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Oral antioxidants improve leg blood flow during exercise in patients with chronic obstructive pulmonary disease.
Rossman MJ, Trinity JD, Garten RS, Ives SJ, Conklin JD, Barrett-O'Keefe Z, Witman MA, Bledsoe AD, Morgan DE, Runnels S, Reese VR, Zhao J, Amann M, Wray DW, Richardson RS. Rossman MJ, et al. Am J Physiol Heart Circ Physiol. 2015 Sep;309(5):H977-85. doi: 10.1152/ajpheart.00184.2015. Epub 2015 Jul 17. Am J Physiol Heart Circ Physiol. 2015. PMID: 26188020 Free PMC article. Clinical Trial.
Impact of body position on central and peripheral hemodynamic contributions to movement-induced hyperemia: implications for rehabilitative medicine.
Trinity JD, McDaniel J, Venturelli M, Fjeldstad AS, Ives SJ, Witman MA, Barrett-O'Keefe Z, Amann M, Wray DW, Richardson RS. Trinity JD, et al. Am J Physiol Heart Circ Physiol. 2011 May;300(5):H1885-91. doi: 10.1152/ajpheart.00038.2011. Epub 2011 Feb 25. Am J Physiol Heart Circ Physiol. 2011. PMID: 21357514 Free PMC article.
Taming the "sleeping giant": the role of endothelin-1 in the regulation of skeletal muscle blood flow and arterial blood pressure during exercise.
Barrett-O'Keefe Z, Ives SJ, Trinity JD, Morgan G, Rossman MJ, Donato AJ, Runnels S, Morgan DE, Gmelch BS, Bledsoe AD, Richardson RS, Wray DW. Barrett-O'Keefe Z, et al. Am J Physiol Heart Circ Physiol. 2013 Jan 1;304(1):H162-9. doi: 10.1152/ajpheart.00603.2012. Epub 2012 Oct 26. Am J Physiol Heart Circ Physiol. 2013. PMID: 23103494 Free PMC article.
Endothelin-A-mediated vasoconstriction during exercise with advancing age.
Barrett-O'Keefe Z, Ives SJ, Trinity JD, Morgan G, Rossman MJ, Donato AJ, Runnels S, Morgan DE, Gmelch BS, Bledsoe AD, Richardson RS, Wray DW. Barrett-O'Keefe Z, et al. J Gerontol A Biol Sci Med Sci. 2015 May;70(5):554-65. doi: 10.1093/gerona/glu065. Epub 2014 May 12. J Gerontol A Biol Sci Med Sci. 2015. PMID: 24821105 Free PMC article.
Ascorbic acid improves brachial artery vasodilation during progressive handgrip exercise in the elderly through a nitric oxide-mediated mechanism.
Trinity JD, Wray DW, Witman MA, Layec G, Barrett-O'Keefe Z, Ives SJ, Conklin JD, Reese V, Zhao J, Richardson RS. Trinity JD, et al. Among authors: barrett o keefe z. Am J Physiol Heart Circ Physiol. 2016 Mar 15;310(6):H765-74. doi: 10.1152/ajpheart.00817.2015. Epub 2016 Jan 22. Am J Physiol Heart Circ Physiol. 2016. PMID: 26801312 Free PMC article.
α-Adrenergic receptor regulation of skeletal muscle blood flow during exercise in heart failure patients with reduced ejection fraction.
Barrett-O'Keefe Z, Lee JF, Ives SJ, Trinity JD, Witman MAH, Rossman MJ, Groot HJ, Sorensen JR, Morgan DE, Nelson AD, Stehlik J, Richardson RS, Wray DW. Barrett-O'Keefe Z, et al. Am J Physiol Regul Integr Comp Physiol. 2019 May 1;316(5):R512-R524. doi: 10.1152/ajpregu.00345.2018. Epub 2019 Feb 21. Am J Physiol Regul Integr Comp Physiol. 2019. PMID: 30789790 Free PMC article.
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