Preventive Medicine
Preventive Medicine > 1998 > 27 > 2 > 168-171
Preventive Medicine > 1998 > 27 > 2 > 184-188
Preventive Medicine > 1998 > 27 > 2 > 224-232
Preventive Medicine > 1998 > 27 > 2 > 157-165
Preventive Medicine > 1998 > 27 > 2 > 268-273
Preventive Medicine > 1998 > 27 > 2 > 238-245
Preventive Medicine > 1998 > 27 > 2 > 189-194
Preventive Medicine > 1998 > 27 > 2 > 195-199
Preventive Medicine > 1998 > 27 > 2 > 274-278
Preventive Medicine > 1998 > 27 > 2 > 208-211
Preventive Medicine > 1998 > 27 > 2 > 288-295
Preventive Medicine > 1998 > 27 > 2 > 279-287
Preventive Medicine > 1998 > 27 > 2 > 296-303
Preventive Medicine > 1998 > 27 > 2 > 180-183
Preventive Medicine > 1998 > 27 > 2 > 212-215
Preventive Medicine > 1998 > 27 > 2 > 200-203