American Journal of Preventive Medicine
American Journal of Preventive Medicine > 1998 > 14 > 2 > 130-137
American Journal of Preventive Medicine > 1998 > 14 > 2 > 89-95
American Journal of Preventive Medicine > 1998 > 14 > 2 > 96-102
American Journal of Preventive Medicine > 1998 > 14 > 2 > 143-153
American Journal of Preventive Medicine > 1998 > 14 > 2 > 138-142
American Journal of Preventive Medicine > 1998 > 14 > 2 > 122-129
American Journal of Preventive Medicine > 1998 > 14 > 2 > 111-117
American Journal of Preventive Medicine > 1998 > 14 > 2 > 118-121
American Journal of Preventive Medicine > 1998 > 14 > 2 > 103-110