References
www.mtv.com
http://www.cdc.gov/nchs/data/nvsr/nvsr59/nvsr59_01.pdf#table06
www.thenationalcampaign.org
http://www.time.com/time/magazine/article/0,9171,1074861-3,00.html
www.doctoroz.com
http://www.cdc.gov/nchs/data/nvsr/nvsr59/nvsr59_01.pdf#table06
www.thenationalcampaign.org
http://www.time.com/time/magazine/article/0,9171,1074861-3,00.html
www.doctoroz.com