• "CHAMBER RESTRICTED ENVIRONMENTAL STIMULATION AND HEART RATE VARIABILITY" (PDF). {{cite journal}}: Cite journal requires |journal= (help)
  • Loudon, Gareth H.; Deininger, Gina M. (2017). "The Physiological Response to Drawing and Its Relation to Attention and Relaxation". Journal of Behavioral and Brain Science. 07 (3): 111. doi:10.4236/jbbs.2017.73011.{{cite journal}}: CS1 maint: unflagged free DOI (link)

Loudon, G.H. and Deininger, G.M. (2017) The Physiological Response to Drawing and Its Relation to Attention and Relaxation. Journal of Behavioral and Brain Science, 7, 111-124.

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