American Journal of Preventive Medicine
American Journal of Preventive Medicine > 2007 > 33 > 6 > 498-501
American Journal of Preventive Medicine > 2007 > 33 > 6 > 471-478
American Journal of Preventive Medicine > 2007 > 33 > 6 > 492-497
American Journal of Preventive Medicine > 2007 > 33 > 6 > 439-443
American Journal of Preventive Medicine > 2007 > 33 > 6 > 464-470
American Journal of Preventive Medicine > 2007 > 33 > 6 > 450-454
American Journal of Preventive Medicine > 2007 > 33 > 6 > 455-463
American Journal of Preventive Medicine > 2007 > 33 > 6 > 479-485
American Journal of Preventive Medicine > 2007 > 33 > 6 > 444-449
American Journal of Preventive Medicine > 2007 > 33 > 6 > 486-491