W. V. D. Graaff

Thoracic traction on the trachea: mechanisms and magnitude

W. V. D. Graaff, W. B. Graaff, 1991 .

Changesin VentilatoryPatternand Components of the Workof Breathing

M. Mathru, B. Kleinman, W. V. D. Graaff, 2017 .

Thoracic influence on upper airway patency

W. B. Van de Graaff, W. V. D. Graaff, W. B. Graaff, 1988 .

Patterns of Healthcare Utilization by COPD Severity: A Pilot Study

M. Joo, K. Weiss, Todd A. Lee, 2008, Lung.