The results of the BUN test will be contaminated if the patient is consuming certain drugs that cause problems with the blood sample. Before the BUN test, the patient should make the doctor aware of what medications are being consumed.
Vega body styles were used for several badge engineered variants. The 1973 to 1977 Pontiac Astre had Vega bodies (and Vega engines through 1976). The 1978 to 1979 Chevrolet Monza and Pontiac Sunbird wagons used the Vega Kammback wagon body with engines by Pontiac and Buick.
As part of a shift towards front-wheel drive vehicles, the Mercury Sable was introduced as the replacement for the mid-size Mercury Marquis. After 2005, the Sable was phased out in favor of the mid-size Mercury Milan and full-size Mercury Montego (as Ford would phase the Taurus out for the Fusion and Five Hundred).