stroke
METHODS: Patients aged 65 or older or who at any age had left main       coronary disease, transient ischemic attack, or stroke were eligible for       preoperative carotid duplex screening.
METHODS:  @OBJECT$  aged 65 or older or who at any age  @PREDICAT$  left main       coronary disease, transient ischemic attack, or  @SUBJECT$  were eligible for       preoperative carotid duplex screening.