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The effects of sighing on the cardiovascular system.
Vaschillo EG, Vaschillo B, Buckman JF, Nguyen-Louie T, Heiss S, Pandina RJ, Bates ME. Vaschillo EG, et al. Biol Psychol. 2015 Mar;106:86-95. doi: 10.1016/j.biopsycho.2015.02.007. Epub 2015 Feb 23. Biol Psychol. 2015. PMID: 25720947 Free PMC article.