05-02-2012, 03:28 PM
Lead has to be ingested and converted to its ionic form to enter the blood stream. This can also be done by acid rain. Here's an interesting primary research article that I found on the subject. The link will only give you the abstract to the journal. When I have more time I will see if I can get the full version through my school's account.
http://www.sciencedirect.com/science/art...350800060X
http://www.sciencedirect.com/science/art...350800060X
