American Journal of Preventive Medicine
American Journal of Preventive Medicine > 1998 > 14 > 3 Supplement 1 > 14-21
American Journal of Preventive Medicine > 1999 > 16 > 2 > 134-140
American Journal of Preventive Medicine > 1999 > 17 > 1 > 1-7
American Journal of Preventive Medicine > 1999 > 17 > 2 > 138-141
American Journal of Preventive Medicine > 2000 > 18 > 3 > 215-218
American Journal of Preventive Medicine > 2000 > 19 > 2 > 104-110