31.   Another concern among beginners is the potential for injury and knee strain.

32.   Another concern among donors is making sure the money goes to the government and legitimate aid organizations, not to corrupt warlords.

33.   Another reason, he said, is a concern among some residents that metering would ultimately increase their power bills.

34.   Another key concern among some panel members and AIDS activists was whether the virus could mutate and become resistant to the new drugs.

35.   Another area of law that has generated concern among business people and lawyers is copyright protection.

36.   Around the country, the escalating pace of decentralization has raised concern among disparate groups.

37.   Any victory for opponents of the sale has tended to cause concern among investors.

38.   As life expectancy continues to inch up, there is growing concern among policymakers that advanced age will unduly burden the Medicare program.

39.   As it grew, so did concern among African American lawmakers in Congress.

40.   At a time when staying healthy for the playoffs is a key concern among aging players, two veterans have shown remarkable durability.