MEXICO CITY (Reuters) - Mexican businesses are concerned that a tweak to dispute resolution mechanisms under a new North American trade deal could be used to stifle exports, top industry associations say.

Revised terms were agreed this month for the U.S.-Mexico-Canada Agreement (USMCA), a deal replacing the 1994 North American Free Trade Agreement (NAFTA), after months of wrangling to ensure tougher labor standards in Mexico.

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