Skip to main content
. 2018 Jul 26;15(8):1582. doi: 10.3390/ijerph15081582

Figure 1.

Figure 1

The study area where from the human volunteers (research participants) were recruited under the present investigation with type of areas in parenthesis: (1) Abbottabad (Rural); (2) Rawalpindi (Urban); (3) Islamabad (Urban); and (4) Lahore (Industrial).