Actigraphy: analyzing patient movement.
Grap MJ, Hamilton VA, McNallen A, Ketchum JM, Best AM, Arief NY, Wetzel PA.
Grap MJ, et al.
Heart Lung. 2011 May-Jun;40(3):e52-9. doi: 10.1016/j.hrtlng.2009.12.013. Epub 2010 Aug 17.
Heart Lung. 2011.
PMID: 20723984
Free PMC article.