Engel, B., Spanel, P., Smith, D., Diskin, A., & Davies, S. J. (2004). Longitudinal measurements of total body water and body composition in healthy volunteers by online breath deuterium measurement and other near-subject methods. Int J Body Compos Res.

Engel, Barbara, Patrik Spanel, David Smith, Ann Diskin, và Simon J. Davies. "Longitudinal Measurements of Total Body Water and Body Composition in Healthy Volunteers By Online Breath Deuterium Measurement and Other Near-subject Methods." Int J Body Compos Res 2004.

Engel, Barbara, et al. "Longitudinal Measurements of Total Body Water and Body Composition in Healthy Volunteers By Online Breath Deuterium Measurement and Other Near-subject Methods." Int J Body Compos Res 2004.