1.   Analysts are fretting that Aetna, like other providers of managed healthcare plans, is having difficulty coping with rising costs and billing systems.

2.   Analysts are worried that the insurance and healthcare company is having trouble with billing systems and rising costs.

3.   Another impediment is the curious U.S. billing system in which the recipient of a mobile call pays the toll, which is just the opposite of the European standard.

4.   Because of its projected role in the phaseout of CFCs, Edison and Unicom also bill their system as environmentally friendly.

5.   Billing systems, orders for securities and back-office compliance systems are some of the areas at risk of shutting down if the software is not fixed.

6.   Hundreds of natural gas customers have complained to the Public Service Commission about higher bills resulting from a new Atlanta Gas Light billing system.

7.   If left unchecked, the snafu could snarl company billing systems.

8.   It also said it had upgraded its pharmacy billing system.

9.   It tried to squeeze savings and profits by centralizing information and billing systems, marketing to health plans and generally promoting efficient operations.

10.   Landes said the combined company has many hurdles ahead, such as combining its computer, customer service and billing systems.