%0 Journal Article %T Progressive Exercise Testing in Closed Head-Injured Subjects: Comparison of Exercise Apparatus in Assessment of a Physical Conditioning Program %A Hunter,, Marque %A Tomberlin,, JoAnn %A Kirkikis,, Carol %A Kuna, Samuel, T %J Physical Therapy %V 70 %N 6 %P 363-371 %@ 0031-9023 %D 1990-06-01 %I American Physical Therapy Association %~ DeepDyve