61.   At regular intervals, patients complete a questionnaire assessing their pain, says Das, who has previously studied other medications to help patients avoid joint replacement surgery.

62.   At regular intervals along the narrow dirt track that serves as a road are the rusting remains of Soviet tanks, armored personnel carriers and trucks.

63.   At regular intervals throughout each evening, lyrical sprinklers animate the water.

64.   At regular intervals, characters spout clunky, maudlin speeches about heart and pride.

65.   Battered by a succession of crises and the traumatic outbursts of violence that have recurred here at regular intervals, Israelis seem to have learned to move on.

66.   Beautiful little clearings of green were spaced at regular intervals along the stream.

67.   A popular form of the latter, dollar-cost averaging, involves putting a constant modest sum into the market at regular intervals.

68.   All tickets will be dated and timed, and visitors will be admitted at regular intervals.

69.   But the Electoral College itself has come under fire at regular intervals.

70.   By comparison, plenty of no-load mutual funds let you invest small amounts at regular intervals without paying any commission.