American Journal of Preventive Medicine
American Journal of Preventive Medicine > 2000 > 18 > 3 > 262-267
American Journal of Preventive Medicine > 2000 > 19 > 2 > 94-98
American Journal of Preventive Medicine > 2000 > 19 > 2 > 99-103
American Journal of Preventive Medicine > 2000 > 19 > 3 Supplement 1 > 4-12
American Journal of Preventive Medicine > 2000 > 19 > 3 Supplement 1 > 54-77