American Journal of Preventive Medicine
American Journal of Preventive Medicine > 1999 > 17 > 3 > 161-168
American Journal of Preventive Medicine > 2001 > 20 > 1 > 1-8
American Journal of Preventive Medicine > 2002 > 23 > 3 > 150-159
American Journal of Preventive Medicine > 1999 > 17 > 3 > 161-168
American Journal of Preventive Medicine > 2001 > 20 > 1 > 1-8
American Journal of Preventive Medicine > 2002 > 23 > 3 > 150-159