J. Nakashima

Effects of the supine and prone position on diaphragm thickness in healthy term infants

V. Rehan, L. Rubin, F. McCool, 2000, Archives of disease in childhood.

Effects of Continuous Positive Airway Pressure on Diaphragm Dimensions in Preterm Infants

V. Rehan, M. Wallach, F. McCool, 2001, Journal of Perinatology.