More talks are expected this week between leaders of Norton Healthcare and Anthem insurance company.The two sides returned to the negotiating table last week in hopes of ending a months-long dispute. Norton terminated its contract with Anthem July 1, and began charging out-of-network rates for thousands of Anthem policyholders.Norton officials say they've been unhappy with Anthem's claims processing procedures and other issues. Anthem says Norton wanted charge new reimbursement rates that were unreasonably high.The two companies have said little about the new round of talks, other than they have been productive.