American Journal of Preventive Medicine
American Journal of Preventive Medicine > 1998 > 14 > 4 > 335-344
American Journal of Preventive Medicine > 1998 > 15 > 2 > 114-119
American Journal of Preventive Medicine > 1998 > 15 > 2 > 103-113
American Journal of Preventive Medicine > 1999 > 17 > 4 > 299-308
American Journal of Preventive Medicine > 2000 > 19 > 3 > 193-196
American Journal of Preventive Medicine > 2000 > 19 > 3 > 167-173
American Journal of Preventive Medicine > 2001 > 20 > 2 > 155-160
American Journal of Preventive Medicine > 2001 > 20 > 3 > 177-183