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. Author manuscript; available in PMC: 2016 Apr 15.
Published in final edited form as: Spine (Phila Pa 1976). 2015 Apr 15;40(8):E458–E468. doi: 10.1097/BRS.0000000000000801

Figure 4.

Figure 4

(a) Biomechanical testing results showing the average stiffness (Nmm/mm) as determined by four-point bending in flexion for all specimens, and (b) excluding data from infected rats. Adequate (CD and HD, mean = 493.30 +/−76.06) vs. inadequate (DD and ID, mean = 399.31 +/−69.89) dietary vitamin D groups are presented separately in the shadow bars (*p<0.05).