The cores were significantly longer performing TP approach : at the site `` @ '' ( @ versus @ mm , p = @ ) ; at `` @ '' ( @ versus @ mm , p = @ ) ; at `` @ '' ( @ versus @ mm , p = @ ) ; at `` @ '' ( @ versus @ mm , p = @ ) ; at `` @ '' ( @ versus @ mm , p = @ ) ; at `` @ '' ( @ versus @ mm , p = @ ) ; at `` @ '' ( @ versus @ mm , p = @ ) ; at `` @ '' ( @ versus @ mm , p = @ ) .