Separating respiratory-variation-related fluctuations from neuronal-activity-related fluctuations in fMRI. - Rasmus M. Birn; Jason B. Diamond; Monica A. Smith; Peter A. Bandettini (NeuroImage, 2006)

The respiration response function: The temporal dynamics of fMRI signal fluctuations related to changes in respiration. - Rasmus M. Birn; Monica A. Smith; Tyler B. Jones; Peter A. Bandettini (NeuroImage, 2008)