Effect of traffic-related air pollution on blood pressure.

P: blood pressure

I: traffic-related pollution

C:

1 traffic-related pollution [Mesh]

2( traffic or vehicle) NEXT pollution*:ti,ab

3 #1 OR #2

4 blood pressure [Mesh]

5 (blood or pulse or systolic or distolic or high) NEXT pressure*:ti,ab

6 #4 OR #5

7 #3 AND #6

Traffic relation pollution