We describe a new exact relation for large Nc QCD for the long-distance behavior of baryon form factors in the chiral limit, satisfied by all 4D semi-classical chiral soliton models. We use this relation to test the consistency of the structure of two different holographic models of baryons.
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Acknowledgements. A.C. and T.D.C. acknowledge the support of the US Dept. of Energy. M.N. acknowledges the support of CNPq and FAPESP.