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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Arch Phys Med Rehabil. 2014 Mar 3;95(7):1289–1297.e5. doi: 10.1016/j.apmr.2014.01.031

Figure 4. Test information function and sample distributions for Ambulation short form.

Figure 4