71.   Study design problems kept researchers from developing reliable numbers on the dollar amount of savings, Stearns said.

72.   The problems kept the shuttle crew at the complex an extra day.

73.   These days his greatest problem is keeping the vanities and fiery temperaments of his stars in check.

74.   Then, at Michigan, we led a lot of laps and only a small problem kept us from winning.

75.   These problems have kept Yeltsin sidelined since June.

76.   His ankle problem kept him out of the team for over a month earlier in the year.

77.   His knee problem had kept him sidelined since the end of September.

78.   Yorke has been away on international duty with Trinidad and Tobago, although a knee problem kept him on the sidelines.

79.   World champion Colin McRae of Scotland crashed his Subaru Impreza on Saturday and mechanical problems have kept Ford driver Carlos Sainz of Spain back in sixth place.

80.   Yorke has been away on international duty with Trinidad and Tobago although a knee problem kept him on the sidelines.