Blockley, N. P., Griffeth, V. E. M., Simon, A. B., Dubowitz, D. J., & Buxton, R. B. (2014). Calibrating the BOLD response without administering gases: Comparison of hypercapnia calibration with calibration using an asymmetric spin echo. Neuroimage.

Blockley, Nicholas P., Valerie E. M. Griffeth, Aaron B. Simon, David J. Dubowitz, and Richard B. Buxton. "Calibrating the BOLD Response Without Administering Gases: Comparison of Hypercapnia Calibration With Calibration Using an Asymmetric Spin Echo." Neuroimage 2014.

Blockley, Nicholas P., et al. "Calibrating the BOLD Response Without Administering Gases: Comparison of Hypercapnia Calibration With Calibration Using an Asymmetric Spin Echo." Neuroimage 2014.