Figure 1. Flowchart of search strategy and selection of studies for inclusion in the systematic review

From

The Effect of Air Pollution on Cancer in the Eastern Mediterranean Region: A Systematic Literature Review

Yousef S Khader, Nour Abdo, Mostafa Abdelrahman, Munjed Al-Sharif, Ahmad M. Bateiha, Mazen Malkawi

Journal of Environment Pollution and Human Health. 2016, 4(3), 66-71 doi:10.12691/jephh-4-3-2