American Journal of Preventive Medicine
American Journal of Preventive Medicine > 2008 > 35 > 6 > 578-588
American Journal of Preventive Medicine > 2008 > 35 > 6 > 594-597
American Journal of Preventive Medicine > 2008 > 35 > 6 > 554-560
American Journal of Preventive Medicine > 2008 > 35 > 6 > 547-553
American Journal of Preventive Medicine > 2008 > 35 > 6 > 539-546
American Journal of Preventive Medicine > 2008 > 35 > 6 > 572-577
American Journal of Preventive Medicine > 2008 > 35 > 6 > 598-601
American Journal of Preventive Medicine > 2008 > 35 > 6 > 589-593
American Journal of Preventive Medicine > 2008 > 35 > 6 > 561-567
American Journal of Preventive Medicine > 2008 > 35 > 6 > 568-571