Researchers used electronic health records to track 190 diagnostic errors made during primary care visits at one of two healthcare facilities.

FORBES: Study: Missed Diagnoses in the Doctor's Office are Leading to Thousands of Deaths

Peterson cautions, though, that track surfaces are not one of the primary causes of equine injury.

FORBES: Making Racing Safer For Horses, Starting With The Surface

That's down from the first quarter, but right on track, they say, for their strategy of targeting the early primary and caucus states.

NPR: Sen. Obama Breaks Fundraising Record