American Journal of Preventive Medicine
American Journal of Preventive Medicine > 1998 > 14 > 3 > 209-216
American Journal of Preventive Medicine > 1998 > 15 > 2 > 139-145
American Journal of Preventive Medicine > 1999 > 16 > 4 > 298-302
American Journal of Preventive Medicine > 1999 > 17 > 1 > 24-30
American Journal of Preventive Medicine > 2000 > 18 > 4 > 339-342
American Journal of Preventive Medicine > 2000 > 19 > 1 > 39-46
American Journal of Preventive Medicine > 2002 > 22 > 3 > 177-183
American Journal of Preventive Medicine > 2002 > 22 > 4 > 247-257
American Journal of Preventive Medicine > 2002 > 23 > 2 > 113-120