American Journal of Preventive Medicine
American Journal of Preventive Medicine > 1998 > 14 > 3 Supplement 1 > 67-71
American Journal of Preventive Medicine > 1998 > 15 > 3 > 198-205
American Journal of Preventive Medicine > 1999 > 16 > 3 > 163-172
American Journal of Preventive Medicine > 1999 > 16 > 3 Supplement 1 > 118-127
American Journal of Preventive Medicine > 2001 > 21 > 4 > 256-260
American Journal of Preventive Medicine > 2002 > 22 > 3 > 151-155
American Journal of Preventive Medicine > 2002 > 23 > 1 > 43-46