Maternal Occupational Exposure to Polycyclic Aromatic Hydrocarbons and Risk of Oral Cleft-Affected Pregnancies , The Cleft Palate-Craniofacial Journal , http://bit.ly/XBMIcD

Maternal Occupational Exposure to Polycyclic Aromatic Hydrocarbons and Risk of Oral Cleft-Affected Pregnancies , The Cleft Palate-Craniofacial Journal , http://bit.ly/XBMIcD , via Daily Dental Info http://www.facebook.com/photo.php?fbid=578041338887086&set=a.578041162220437.1073741833.110664842291407&type=1