13D Filing: OrbiMed Advisors and Xtant Medical Holdings Inc. (XTNT)

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SIGNATURE
After reasonable inquiry and to the best of each of the undersigned’s knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.
Dated:  January 17, 2018
OrbiMed Advisors LLC
By:
/s/ Samuel D. Isaly
Name:
Samuel D. Isaly
Title:
Managing Member
Samuel D. Isaly
By:
/s/ Samuel D. Isaly
Samuel D. Isaly

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